9222140 has 24 divisors (see below), whose sum is σ = 19459440. Its totient is φ = 3671168.

The previous prime is 9222137. The next prime is 9222173. The reversal of 9222140 is 412229.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3671 + ... + 5649.

It is an arithmetic number, because the mean of its divisors is an integer number (810810).

Almost surely, 2^9222140 is an apocalyptic number.

It is an amenable number.

9222140 is an abundant number, since it is smaller than the sum of its proper divisors (10237300).

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

9222140 is a wasteful number, since it uses less digits than its factorization.

9222140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221 (or 2219 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 9222140 is about 3036.7976554259. The cubic root of 9222140 is about 209.7058618259.

Adding to 9222140 its reverse (412229), we get a palindrome (9634369).

The spelling of 9222140 in words is "nine million, two hundred twenty-two thousand, one hundred forty".