8,222,221
7 × 1174603
Deficient
Odd
Composite
Starting at 8,222,221, the Collatz iteration reaches 1 after 155 steps. The first transition is 24666664; the starting value is odd with 4 positive divisors.
Resources
Prime Factor Structure
Factorization String
7 × 1174603
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
9,396,832
Proper Divisor Sum
1,174,611
Digit Sum / Digital Root
19 (Root: 1)
Adjacent Primes
#8222213 ← → #8222239
Radix Representation
| Decimal | 8222221 |
| Binary | 11111010111011000001101 (23 bits) |
| Octal | 0o37273015 |
| Hexadecimal | 0x7D760D |
Divisor Catalog (4)
Collatz Trajectory (155 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
Showing the first 5 trajectory entries; the stopping-time total above is unchanged.