22394408 has 16 divisors (see below), whose sum is σ = 42782580. Its totient is φ = 10985728.

The previous prime is 22394401. The next prime is 22394413. The reversal of 22394408 is 80449322.

It can be written as a sum of positive squares in 2 ways, for example, as 20811844 + 1582564 = 4562^2 + 1258^2 .

It is not an unprimeable number, because it can be changed into a prime (22394401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25985 + ... + 26832.

Almost surely, 2^22394408 is an apocalyptic number.

It is an amenable number.

22394408 is a deficient number, since it is larger than the sum of its proper divisors (20388172).

22394408 is a wasteful number, since it uses less digits than its factorization.

22394408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52876 (or 52872 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 22394408 is about 4732.2730267811. The cubic root of 22394408 is about 281.8684898931.

The spelling of 22394408 in words is "twenty-two million, three hundred ninety-four thousand, four hundred eight".