22255792 has 40 divisors (see below), whose sum is σ = 47160176. Its totient is φ = 10112256.

The previous prime is 22255781. The next prime is 22255829. The reversal of 22255792 is 29755222.

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 7 ways as a sum of consecutive naturals, for example, 13138 + ... + 14734.

Almost surely, 2^22255792 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 22255792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23580088).

22255792 is an abundant number, since it is smaller than the sum of its proper divisors (24904384).

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

22255792 is a wasteful number, since it uses less digits than its factorization.

22255792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685 (or 1679 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 22255792 is about 4717.6044768505. The cubic root of 22255792 is about 281.2857197760.

The spelling of 22255792 in words is "twenty-two million, two hundred fifty-five thousand, seven hundred ninety-two".