22508898 has 16 divisors (see below), whose sum is σ = 45064416. Its totient is φ = 7495200.

The previous prime is 22508897. The next prime is 22508903. The reversal of 22508898 is 89880522.

It is not an unprimeable number, because it can be changed into a prime (22508897) 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, 9765 + ... + 11847.

It is an arithmetic number, because the mean of its divisors is an integer number (2816526).

Almost surely, 2^22508898 is an apocalyptic number.

22508898 is an abundant number, since it is smaller than the sum of its proper divisors (22555518).

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

22508898 is a wasteful number, since it uses less digits than its factorization.

22508898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 22508898 is about 4744.3543290947. The cubic root of 22508898 is about 282.3480185978.

The spelling of 22508898 in words is "twenty-two million, five hundred eight thousand, eight hundred ninety-eight".