422426656 has 12 divisors (see below), whose sum is σ = 831652542. Its totient is φ = 211213312.

The previous prime is 422426623. The next prime is 422426687. The reversal of 422426656 is 656624224.

It can be written as a sum of positive squares in only one way, i.e., 222487056 + 199939600 = 14916^2 + 14140^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600385 + ... + 6600448.

Almost surely, 2^422426656 is an apocalyptic number.

It is an amenable number.

422426656 is a deficient number, since it is larger than the sum of its proper divisors (409225886).

422426656 is a wasteful number, since it uses less digits than its factorization.

422426656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13200843 (or 13200835 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 422426656 is about 20553.0206052541. The cubic root of 422426656 is about 750.3267648715.

The spelling of 422426656 in words is "four hundred twenty-two million, four hundred twenty-six thousand, six hundred fifty-six".