422636044 has 12 divisors (see below), whose sum is σ = 740316304. Its totient is φ = 211117104.

The previous prime is 422636021. The next prime is 422636069. The reversal of 422636044 is 440636224.

It is a junction number, because it is equal to n+sod(n) for n = 422635997 and 422636015.

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, 45447 + ... + 53950.

Almost surely, 2^422636044 is an apocalyptic number.

It is an amenable number.

422636044 is a deficient number, since it is larger than the sum of its proper divisors (317680260).

422636044 is a wasteful number, since it uses less digits than its factorization.

422636044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100464 (or 100462 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 422636044 is about 20558.1138239869. The cubic root of 422636044 is about 750.4507181203.

The spelling of 422636044 in words is "four hundred twenty-two million, six hundred thirty-six thousand, forty-four".