22685256404 has 24 divisors (see below), whose sum is σ = 39968328960. Its totient is φ = 11265884864.

The previous prime is 22685256371. The next prime is 22685256421. The reversal of 22685256404 is 40465258622.

It is a happy number.

It is a super-2 number, since 2×22685256404² (a number of 22 digits) contains 22 as substring.

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, 599552 + ... + 636264.

It is an arithmetic number, because the mean of its divisors is an integer number (1665347040).

Almost surely, 2^22685256404 is an apocalyptic number.

It is an amenable number.

22685256404 is a deficient number, since it is larger than the sum of its proper divisors (17283072556).

22685256404 is a wasteful number, since it uses less digits than its factorization.

22685256404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37759 (or 37757 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 22685256404 in words is "twenty-two billion, six hundred eighty-five million, two hundred fifty-six thousand, four hundred four".