9222870 has 32 divisors (see below), whose sum is σ = 22900320. Its totient is φ = 2374400.

The previous prime is 9222799. The next prime is 9222887. The reversal of 9222870 is 782229.

It is a super-2 number, since 2×9222870² = 170122662073800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4431 + ... + 6170.

It is an arithmetic number, because the mean of its divisors is an integer number (715635).

Almost surely, 2^9222870 is an apocalyptic number.

9222870 is an abundant number, since it is smaller than the sum of its proper divisors (13677450).

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

9222870 is a wasteful number, since it uses less digits than its factorization.

9222870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10640.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 9222870 is about 3036.9178454479. The cubic root of 9222870 is about 209.7113949321.

The spelling of 9222870 in words is "nine million, two hundred twenty-two thousand, eight hundred seventy".