22255392 has 24 divisors (see below), whose sum is σ = 58420656. Its totient is φ = 7418432.

The previous prime is 22255391. The next prime is 22255399. The reversal of 22255392 is 29355222.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (22255391) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 115818 + ... + 116009.

It is an arithmetic number, because the mean of its divisors is an integer number (2434194).

Almost surely, 2^22255392 is an apocalyptic number.

It is an amenable number.

22255392 is an abundant number, since it is smaller than the sum of its proper divisors (36165264).

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

22255392 is a wasteful number, since it uses less digits than its factorization.

22255392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231840 (or 231832 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 22255392 is about 4717.5620822624. The cubic root of 22255392 is about 281.2840345973.

The spelling of 22255392 in words is "twenty-two million, two hundred fifty-five thousand, three hundred ninety-two".