22744634 has 16 divisors (see below), whose sum is σ = 39178080. Its totient is φ = 9794160.

The previous prime is 22744633. The next prime is 22744639. The reversal of 22744634 is 43644722.

It is a self number, because there is not a number n which added to its sum of digits gives 22744634.

It is not an unprimeable number, because it can be changed into a prime (22744633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26789 + ... + 27624.

It is an arithmetic number, because the mean of its divisors is an integer number (2448630).

Almost surely, 2^22744634 is an apocalyptic number.

22744634 is a deficient number, since it is larger than the sum of its proper divisors (16433446).

22744634 is a wasteful number, since it uses less digits than its factorization.

22744634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54445.

The product of its digits is 32256, while the sum is 32.

The square root of 22744634 is about 4769.1334642679. The cubic root of 22744634 is about 283.3302757071.

The spelling of 22744634 in words is "twenty-two million, seven hundred forty-four thousand, six hundred thirty-four".