22686428456 has 16 divisors (see below), whose sum is σ = 42538678740. Its totient is φ = 11342780800.

The previous prime is 22686428423. The next prime is 22686428477. The reversal of 22686428456 is 65482468622.

It can be written as a sum of positive squares in 2 ways, for example, as 22569052900 + 117375556 = 150230^2 + 10834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22686428398 and 22686428407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321530 + ... + 385686.

Almost surely, 2^22686428456 is an apocalyptic number.

It is an amenable number.

22686428456 is a deficient number, since it is larger than the sum of its proper divisors (19852250284).

22686428456 is a wasteful number, since it uses less digits than its factorization.

22686428456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108364 (or 108360 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 53.

The spelling of 22686428456 in words is "twenty-two billion, six hundred eighty-six million, four hundred twenty-eight thousand, four hundred fifty-six".