422536631 has 16 divisors (see below), whose sum is σ = 467533728. Its totient is φ = 378672000.

The previous prime is 422536607. The next prime is 422536651. The reversal of 422536631 is 136635224.

It is a cyclic number.

It is not a de Polignac number, because 422536631 - 2¹⁴ = 422520247 is a prime.

It is a super-2 number, since 2×422536631² = 357074409073660322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422536601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307061 + ... + 308433.

It is an arithmetic number, because the mean of its divisors is an integer number (29220858).

Almost surely, 2^422536631 is an apocalyptic number.

422536631 is a deficient number, since it is larger than the sum of its proper divisors (44997097).

422536631 is a wasteful number, since it uses less digits than its factorization.

422536631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762.

The product of its digits is 25920, while the sum is 32.

The square root of 422536631 is about 20555.6958286505. The cubic root of 422536631 is about 750.3918728415.

It can be divided in two parts, 42253 and 6631, that added together give a palindrome (48884).

The spelling of 422536631 in words is "four hundred twenty-two million, five hundred thirty-six thousand, six hundred thirty-one".