22557416646 has 16 divisors (see below), whose sum is σ = 45536468544. Its totient is φ = 7448866344.

The previous prime is 22557416597. The next prime is 22557416653. The reversal of 22557416646 is 64661475522.

It is a junction number, because it is equal to n+sod(n) for n = 22557416595 and 22557416604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17567440 + ... + 17568723.

It is an arithmetic number, because the mean of its divisors is an integer number (2846029284).

Almost surely, 2^22557416646 is an apocalyptic number.

22557416646 is an abundant number, since it is smaller than the sum of its proper divisors (22979051898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22557416646 is a wasteful number, since it uses less digits than its factorization.

22557416646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35136275.

The product of its digits is 2419200, while the sum is 48.

The spelling of 22557416646 in words is "twenty-two billion, five hundred fifty-seven million, four hundred sixteen thousand, six hundred forty-six".