422575944 has 64 divisors (see below), whose sum is σ = 1208908800. Its totient is φ = 120581184.

The previous prime is 422575913. The next prime is 422575963. The reversal of 422575944 is 449575224.

It is a happy number.

It is a super-2 number, since 2×422575944² = 357140856894982272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 422575896 and 422575905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220639 + ... + 222545.

It is an arithmetic number, because the mean of its divisors is an integer number (18889200).

Almost surely, 2^422575944 is an apocalyptic number.

It is an amenable number.

422575944 is an abundant number, since it is smaller than the sum of its proper divisors (786332856).

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

422575944 is a wasteful number, since it uses less digits than its factorization.

422575944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242 (or 3238 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 422575944 is about 20556.6520620455. The cubic root of 422575944 is about 750.4151443867.

The spelling of 422575944 in words is "four hundred twenty-two million, five hundred seventy-five thousand, nine hundred forty-four".