22255488 has 48 divisors (see below), whose sum is σ = 64045800. Its totient is φ = 7418112.

The previous prime is 22255483. The next prime is 22255507. The reversal of 22255488 is 88455222.

22255488 is a `hidden beast` number, since 2 + 22 + 554 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×22255488² = 990613492236288, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22255483) 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 5 ways as a sum of consecutive naturals, for example, 8508 + ... + 10811.

Almost surely, 2^22255488 is an apocalyptic number.

It is an amenable number.

22255488 is an abundant number, since it is smaller than the sum of its proper divisors (41790312).

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

22255488 is a wasteful number, since it uses less digits than its factorization.

22255488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19339 (or 19324 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 22255488 is about 4717.5722569983. The cubic root of 22255488 is about 281.2844390420.

The spelling of 22255488 in words is "twenty-two million, two hundred fifty-five thousand, four hundred eighty-eight".