22366224 has 60 divisors (see below), whose sum is σ = 63138816. Its totient is φ = 7390656.

The previous prime is 22366217. The next prime is 22366247. The reversal of 22366224 is 42266322.

22366224 is a `hidden beast` number, since 2 + 2 + 36 + 622 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17677 + ... + 18899.

Almost surely, 2^22366224 is an apocalyptic number.

22366224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22366224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31569408).

22366224 is an abundant number, since it is smaller than the sum of its proper divisors (40772592).

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

22366224 is a wasteful number, since it uses less digits than its factorization.

22366224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 1355 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 22366224 is about 4729.2942391016. The cubic root of 22366224 is about 281.7501937466.

The spelling of 22366224 in words is "twenty-two million, three hundred sixty-six thousand, two hundred twenty-four".