22088490 has 32 divisors (see below), whose sum is σ = 53403840. Its totient is φ = 5846784.

The previous prime is 22088483. The next prime is 22088501. The reversal of 22088490 is 9488022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522 + ... + 6818.

It is an arithmetic number, because the mean of its divisors is an integer number (1668870).

Almost surely, 2^22088490 is an apocalyptic number.

22088490 is an abundant number, since it is smaller than the sum of its proper divisors (31315350).

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

22088490 is a wasteful number, since it uses less digits than its factorization.

22088490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446.

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

The square root of 22088490 is about 4699.8393589569. The cubic root of 22088490 is about 280.5791160309.

It can be divided in two parts, 22088 and 490, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 22088490 in words is "twenty-two million, eighty-eight thousand, four hundred ninety".