422636031 has 24 divisors (see below), whose sum is σ = 647187840. Its totient is φ = 264854016.

The previous prime is 422636021. The next prime is 422636069. The reversal of 422636031 is 130636224.

422636031 is a `hidden beast` number, since 4 + 22 + 636 + 0 + 3 + 1 = 666.

It is not a de Polignac number, because 422636031 - 2¹⁰ = 422635007 is a prime.

It is a super-2 number, since 2×422636031² = 357242429398865922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422635986 and 422636004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422636021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196146 + ... + 198288.

It is an arithmetic number, because the mean of its divisors is an integer number (26966160).

Almost surely, 2^422636031 is an apocalyptic number.

422636031 is a deficient number, since it is larger than the sum of its proper divisors (224551809).

422636031 is a wasteful number, since it uses less digits than its factorization.

422636031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 422636031 is about 20558.1135078100. The cubic root of 422636031 is about 750.4507104259.

The spelling of 422636031 in words is "four hundred twenty-two million, six hundred thirty-six thousand, thirty-one".