9172422 has 24 divisors (see below), whose sum is σ = 22712976. Its totient is φ = 2620656.

The previous prime is 9172409. The next prime is 9172433. The reversal of 9172422 is 2242719.

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, 36273 + ... + 36524.

It is an arithmetic number, because the mean of its divisors is an integer number (946374).

Almost surely, 2^9172422 is an apocalyptic number.

9172422 is an abundant number, since it is smaller than the sum of its proper divisors (13540554).

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

9172422 is a wasteful number, since it uses less digits than its factorization.

9172422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72812 (or 72809 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 9172422 is about 3028.6006669748. The cubic root of 9172422 is about 209.3283301936.

The spelling of 9172422 in words is "nine million, one hundred seventy-two thousand, four hundred twenty-two".