422577939 has 32 divisors (see below), whose sum is σ = 663312384. Its totient is φ = 234270720.

The previous prime is 422577913. The next prime is 422577941. The reversal of 422577939 is 939775224.

It is not a de Polignac number, because 422577939 - 2¹¹ = 422575891 is a prime.

It is a super-2 number, since 2×422577939² = 357144229058975442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422577949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164902 + ... + 167444.

It is an arithmetic number, because the mean of its divisors is an integer number (20728512).

Almost surely, 2^422577939 is an apocalyptic number.

422577939 is a deficient number, since it is larger than the sum of its proper divisors (240734445).

422577939 is a wasteful number, since it uses less digits than its factorization.

422577939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787.

The product of its digits is 952560, while the sum is 48.

The square root of 422577939 is about 20556.7005864268. The cubic root of 422577939 is about 750.4163252993.

The spelling of 422577939 in words is "four hundred twenty-two million, five hundred seventy-seven thousand, nine hundred thirty-nine".