422925656 has 32 divisors (see below), whose sum is σ = 830269440. Its totient is φ = 201583008.

The previous prime is 422925649. The next prime is 422925667. The reversal of 422925656 is 656529224.

It is a super-2 number, since 2×422925656² = 357732221006060672, which 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, 52745 + ... + 60231.

It is an arithmetic number, because the mean of its divisors is an integer number (25945920).

Almost surely, 2^422925656 is an apocalyptic number.

422925656 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

422925656 is a deficient number, since it is larger than the sum of its proper divisors (407343784).

422925656 is a wasteful number, since it uses less digits than its factorization.

422925656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823 (or 7819 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 422925656 is about 20565.1563572952. The cubic root of 422925656 is about 750.6220948177.

The spelling of 422925656 in words is "four hundred twenty-two million, nine hundred twenty-five thousand, six hundred fifty-six".