422112431 has 16 divisors (see below), whose sum is σ = 486114048. Its totient is φ = 363072000.

The previous prime is 422112421. The next prime is 422112433. The reversal of 422112431 is 134211224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422112431 is a prime.

It is a super-2 number, since 2×422112431² = 356357808809459522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422112433) 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, 12866 + ... + 31776.

It is an arithmetic number, because the mean of its divisors is an integer number (30382128).

Almost surely, 2^422112431 is an apocalyptic number.

422112431 is a deficient number, since it is larger than the sum of its proper divisors (64001617).

422112431 is a wasteful number, since it uses less digits than its factorization.

422112431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19042.

The product of its digits is 384, while the sum is 20.

The square root of 422112431 is about 20545.3749296527. The cubic root of 422112431 is about 750.1406734648.

Adding to 422112431 its reverse (134211224), we get a palindrome (556323655).

The spelling of 422112431 in words is "four hundred twenty-two million, one hundred twelve thousand, four hundred thirty-one".