22434731 has 12 divisors (see below), whose sum is σ = 25459392. Its totient is φ = 19734000.

The previous prime is 22434701. The next prime is 22434733. The reversal of 22434731 is 13743422.

It is a de Polignac number, because none of the positive numbers 2^k-22434731 is a prime.

It is a super-2 number, since 2×22434731² = 1006634310084722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22434731.

It is not an unprimeable number, because it can be changed into a prime (22434733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 761 + ... + 6741.

It is an arithmetic number, because the mean of its divisors is an integer number (2121616).

Almost surely, 2^22434731 is an apocalyptic number.

22434731 is a deficient number, since it is larger than the sum of its proper divisors (3024661).

22434731 is a wasteful number, since it uses less digits than its factorization.

22434731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034 (or 6023 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 22434731 is about 4736.5315368949. The cubic root of 22434731 is about 282.0375643670.

The spelling of 22434731 in words is "twenty-two million, four hundred thirty-four thousand, seven hundred thirty-one".