22163694 has 32 divisors (see below), whose sum is σ = 50807040. Its totient is φ = 6314112.

The previous prime is 22163693. The next prime is 22163731. The reversal of 22163694 is 49636122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22163693) 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, 21462 + ... + 22470.

It is an arithmetic number, because the mean of its divisors is an integer number (1587720).

Almost surely, 2^22163694 is an apocalyptic number.

22163694 is an abundant number, since it is smaller than the sum of its proper divisors (28643346).

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

22163694 is a wasteful number, since it uses less digits than its factorization.

22163694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544.

The product of its digits is 15552, while the sum is 33.

The square root of 22163694 is about 4707.8332595792. The cubic root of 22163694 is about 280.8971816856.

The spelling of 22163694 in words is "twenty-two million, one hundred sixty-three thousand, six hundred ninety-four".