22394392 has 8 divisors (see below), whose sum is σ = 41989500. Its totient is φ = 11197192.

The previous prime is 22394347. The next prime is 22394399. The reversal of 22394392 is 29349322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22394399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399642 + ... + 1399657.

Almost surely, 2^22394392 is an apocalyptic number.

It is an amenable number.

22394392 is a deficient number, since it is larger than the sum of its proper divisors (19595108).

22394392 is a wasteful number, since it uses less digits than its factorization.

22394392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799305 (or 2799301 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

The square root of 22394392 is about 4732.2713362613. The cubic root of 22394392 is about 281.8684227648.

The spelling of 22394392 in words is "twenty-two million, three hundred ninety-four thousand, three hundred ninety-two".