22258368 has 112 divisors (see below), whose sum is σ = 71445120. Its totient is φ = 6739200.

The previous prime is 22258343. The next prime is 22258373. The reversal of 22258368 is 86385222.

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

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18423 + ... + 19593.

Almost surely, 2^22258368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22258368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35722560).

22258368 is an abundant number, since it is smaller than the sum of its proper divisors (49186752).

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

22258368 is a wasteful number, since it uses less digits than its factorization.

22258368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1187 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 22258368 is about 4717.8774888715. The cubic root of 22258368 is about 281.2965718434.

The spelling of 22258368 in words is "twenty-two million, two hundred fifty-eight thousand, three hundred sixty-eight".