22368256 has 52 divisors (see below), whose sum is σ = 46131712. Its totient is φ = 10838016.

The previous prime is 22368253. The next prime is 22368271. The reversal of 22368256 is 65286322.

It is a nialpdrome in base 4.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22368253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176065 + ... + 176191.

Almost surely, 2^22368256 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 22368256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23065856).

22368256 is an abundant number, since it is smaller than the sum of its proper divisors (23763456).

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

22368256 is an equidigital number, since it uses as much as digits as its factorization.

22368256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 172 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 22368256 is about 4729.5090654316. The cubic root of 22368256 is about 281.7587259431.

The spelling of 22368256 in words is "twenty-two million, three hundred sixty-eight thousand, two hundred fifty-six".