422375556 has 24 divisors (see below), whose sum is σ = 987532000. Its totient is φ = 140507712.

The previous prime is 422375537. The next prime is 422375573. The reversal of 422375556 is 655573224.

It is a happy number.

It is a super-2 number, since 2×422375556² = 356802220612618272, which contains 22 as substring.

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, 29281 + ... + 41256.

Almost surely, 2^422375556 is an apocalyptic number.

It is an amenable number.

422375556 is an abundant number, since it is smaller than the sum of its proper divisors (565156444).

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

422375556 is a wasteful number, since it uses less digits than its factorization.

422375556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71043 (or 71041 counting only the distinct ones).

The product of its digits is 252000, while the sum is 39.

The square root of 422375556 is about 20551.7774413796. Note that the first 3 decimals coincide. The cubic root of 422375556 is about 750.2965085392.

The spelling of 422375556 in words is "four hundred twenty-two million, three hundred seventy-five thousand, five hundred fifty-six".