22551088 has 40 divisors (see below), whose sum is σ = 50211072. Its totient is φ = 9611328.

The previous prime is 22551083. The next prime is 22551097. The reversal of 22551088 is 88015522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22551083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24981 + ... + 25867.

Almost surely, 2^22551088 is an apocalyptic number.

22551088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22551088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25105536).

22551088 is an abundant number, since it is smaller than the sum of its proper divisors (27659984).

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

22551088 is a wasteful number, since it uses less digits than its factorization.

22551088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 22551088 is about 4748.7985849054. The cubic root of 22551088 is about 282.5243166997.

The spelling of 22551088 in words is "twenty-two million, five hundred fifty-one thousand, eighty-eight".