22418496 has 42 divisors (see below), whose sum is σ = 64260222. Its totient is φ = 7472640.

The previous prime is 22418489. The next prime is 22418507. The reversal of 22418496 is 69481422.

It can be written as a sum of positive squares in only one way, i.e., 11289600 + 11128896 = 3360^2 + 3336^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22418496.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18885 + ... + 20036.

Almost surely, 2^22418496 is an apocalyptic number.

It is an amenable number.

22418496 is an abundant number, since it is smaller than the sum of its proper divisors (41841726).

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

22418496 is a wasteful number, since it uses less digits than its factorization.

22418496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38939 (or 38926 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 22418496 is about 4734.8174199223. The cubic root of 22418496 is about 281.9695153406.

The spelling of 22418496 in words is "twenty-two million, four hundred eighteen thousand, four hundred ninety-six".