22097894 has 32 divisors (see below), whose sum is σ = 42577920. Its totient is φ = 8360352.

The previous prime is 22097879. The next prime is 22097927. The reversal of 22097894 is 49879022.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1547 + ... + 6825.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 2^22097894 is an apocalyptic number.

22097894 is a deficient number, since it is larger than the sum of its proper divisors (20480026).

22097894 is a wasteful number, since it uses less digits than its factorization.

22097894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 22097894 is about 4700.8397122216. The cubic root of 22097894 is about 280.6189284950.

The spelling of 22097894 in words is "twenty-two million, ninety-seven thousand, eight hundred ninety-four".