91122325 has 12 divisors (see below), whose sum is σ = 129133600. Its totient is φ = 62483760.

The previous prime is 91122319. The next prime is 91122391. The reversal of 91122325 is 52322119.

It is a happy number.

It is not a de Polignac number, because 91122325 - 2⁹ = 91121813 is a prime.

It is a super-2 number, since 2×91122325² = 16606556226811250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 91122325.

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, 260175 + ... + 260524.

Almost surely, 2^91122325 is an apocalyptic number.

It is an amenable number.

91122325 is a deficient number, since it is larger than the sum of its proper divisors (38011275).

91122325 is a wasteful number, since it uses less digits than its factorization.

91122325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520716 (or 520711 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 91122325 is about 9545.8014330909. The cubic root of 91122325 is about 449.9955966647.

The spelling of 91122325 in words is "ninety-one million, one hundred twenty-two thousand, three hundred twenty-five".