22116408 has 16 divisors (see below), whose sum is σ = 55291080. Its totient is φ = 7372128.

The previous prime is 22116397. The next prime is 22116431. The reversal of 22116408 is 80461122.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 921517 = 22116408 / (2 + 2 + 1 + 1 + 6 + 4 + 0 + 8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460735 + ... + 460782.

Almost surely, 2^22116408 is an apocalyptic number.

It is an amenable number.

22116408 is an abundant number, since it is smaller than the sum of its proper divisors (33174672).

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

22116408 is a wasteful number, since it uses less digits than its factorization.

22116408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921526 (or 921522 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 22116408 is about 4702.8085225746. The cubic root of 22116408 is about 280.6972757588.

The spelling of 22116408 in words is "twenty-two million, one hundred sixteen thousand, four hundred eight".