108890225 has 12 divisors (see below), whose sum is σ = 135181824. Its totient is φ = 87010320.

The previous prime is 108890207. The next prime is 108890251. The reversal of 108890225 is 522098801.

It is not a de Polignac number, because 108890225 - 2⁶ = 108890161 is a prime.

It is a super-2 number, since 2×108890225² = 23714162201101250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25172 + ... + 29178.

It is an arithmetic number, because the mean of its divisors is an integer number (11265152).

Almost surely, 2^108890225 is an apocalyptic number.

It is an amenable number.

108890225 is a deficient number, since it is larger than the sum of its proper divisors (26291599).

108890225 is a wasteful number, since it uses less digits than its factorization.

108890225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104 (or 5099 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 108890225 is about 10435.0479155584. The cubic root of 108890225 is about 477.5252035709.

The spelling of 108890225 in words is "one hundred eight million, eight hundred ninety thousand, two hundred twenty-five".