22649694 has 16 divisors (see below), whose sum is σ = 45767568. Its totient is φ = 7471872.

The previous prime is 22649689. The next prime is 22649701. The reversal of 22649694 is 49694622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18877 + ... + 20040.

It is an arithmetic number, because the mean of its divisors is an integer number (2860473).

Almost surely, 2^22649694 is an apocalyptic number.

22649694 is an abundant number, since it is smaller than the sum of its proper divisors (23117874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22649694 is a wasteful number, since it uses less digits than its factorization.

22649694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39019.

The product of its digits is 186624, while the sum is 42.

The square root of 22649694 is about 4759.1694653584. The cubic root of 22649694 is about 282.9355028719.

The spelling of 22649694 in words is "twenty-two million, six hundred forty-nine thousand, six hundred ninety-four".