22090488 has 64 divisors (see below), whose sum is σ = 65871360. Its totient is φ = 6036096.

The previous prime is 22090469. The next prime is 22090493. The reversal of 22090488 is 88409022.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1006 + ... + 6722.

It is an arithmetic number, because the mean of its divisors is an integer number (1029240).

Almost surely, 2^22090488 is an apocalyptic number.

22090488 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 22090488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32935680).

22090488 is an abundant number, since it is smaller than the sum of its proper divisors (43780872).

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

22090488 is a wasteful number, since it uses less digits than its factorization.

22090488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756 (or 5752 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 22090488 is about 4700.0519146069. The cubic root of 22090488 is about 280.5875756430.

It can be divided in two parts, 22090 and 488, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 22090488 in words is "twenty-two million, ninety thousand, four hundred eighty-eight".