422105631 has 16 divisors (see below), whose sum is σ = 600273504. Its totient is φ = 262913024.

The previous prime is 422105627. The next prime is 422105669. The reversal of 422105631 is 136501224.

It is not a de Polignac number, because 422105631 - 2² = 422105627 is a prime.

It is a super-2 number, since 2×422105631² = 356346327443816322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422105681) 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, 23220 + ... + 37193.

It is an arithmetic number, because the mean of its divisors is an integer number (37517094).

Almost surely, 2^422105631 is an apocalyptic number.

422105631 is a deficient number, since it is larger than the sum of its proper divisors (178167873).

422105631 is a wasteful number, since it uses less digits than its factorization.

422105631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60570.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 422105631 is about 20545.2094416192. The cubic root of 422105631 is about 750.1366453248.

Adding to 422105631 its reverse (136501224), we get a palindrome (558606855).

The spelling of 422105631 in words is "four hundred twenty-two million, one hundred five thousand, six hundred thirty-one".