9137222 has 8 divisors (see below), whose sum is σ = 13719000. Its totient is φ = 4564224.

The previous prime is 9137213. The next prime is 9137239. The reversal of 9137222 is 2227319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 9137191 and 9137200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054 + ... + 4742.

It is an arithmetic number, because the mean of its divisors is an integer number (1714875).

Almost surely, 2^9137222 is an apocalyptic number.

9137222 is a deficient number, since it is larger than the sum of its proper divisors (4581778).

9137222 is a wasteful number, since it uses less digits than its factorization.

9137222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390.

The product of its digits is 1512, while the sum is 26.

The square root of 9137222 is about 3022.7838162859. The cubic root of 9137222 is about 209.0602147875.

Subtracting from 9137222 its reverse (2227319), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 9137222 in words is "nine million, one hundred thirty-seven thousand, two hundred twenty-two".