422623648 has 24 divisors (see below), whose sum is σ = 834236928. Its totient is φ = 210753984.

The previous prime is 422623639. The next prime is 422623661. The reversal of 422623648 is 846326224.

It is a super-2 number, since 2×422623648² = 357221495697655808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4986 + ... + 29497.

It is an arithmetic number, because the mean of its divisors is an integer number (34759872).

Almost surely, 2^422623648 is an apocalyptic number.

It is an amenable number.

422623648 is a deficient number, since it is larger than the sum of its proper divisors (411613280).

422623648 is a wasteful number, since it uses less digits than its factorization.

422623648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34876 (or 34868 counting only the distinct ones).

The product of its digits is 110592, while the sum is 37.

The square root of 422623648 is about 20557.8123349738. The cubic root of 422623648 is about 750.4433810919.

The spelling of 422623648 in words is "four hundred twenty-two million, six hundred twenty-three thousand, six hundred forty-eight".