422884631 has 4 divisors (see below), whose sum is σ = 455414232. Its totient is φ = 390355032.

The previous prime is 422884589. The next prime is 422884633. The reversal of 422884631 is 136488224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422884631 - 2¹⁰ = 422883607 is a prime.

It is a super-2 number, since 2×422884631² = 357662822272012322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422884633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16264781 + ... + 16264806.

It is an arithmetic number, because the mean of its divisors is an integer number (113853558).

Almost surely, 2^422884631 is an apocalyptic number.

422884631 is a deficient number, since it is larger than the sum of its proper divisors (32529601).

422884631 is a wasteful number, since it uses less digits than its factorization.

422884631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32529600.

The product of its digits is 73728, while the sum is 38.

The square root of 422884631 is about 20564.1588935701. The cubic root of 422884631 is about 750.5978232018.

The spelling of 422884631 in words is "four hundred twenty-two million, eight hundred eighty-four thousand, six hundred thirty-one".