9122272 has 12 divisors (see below), whose sum is σ = 17959536. Its totient is φ = 4561120.

The previous prime is 9122263. The next prime is 9122279. The reversal of 9122272 is 2722219.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9122279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142504 + ... + 142567.

It is an arithmetic number, because the mean of its divisors is an integer number (1496628).

Almost surely, 2^9122272 is an apocalyptic number.

It is an amenable number.

9122272 is a deficient number, since it is larger than the sum of its proper divisors (8837264).

9122272 is a wasteful number, since it uses less digits than its factorization.

9122272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285081 (or 285073 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 9122272 is about 3020.3099178727. The cubic root of 9122272 is about 208.9461335658.

The spelling of 9122272 in words is "nine million, one hundred twenty-two thousand, two hundred seventy-two".