22137230 has 32 divisors (see below), whose sum is σ = 42620256. Its totient is φ = 8249344.

The previous prime is 22137229. The next prime is 22137233. The reversal of 22137230 is 3273122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22137233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17582 + ... + 18798.

It is an arithmetic number, because the mean of its divisors is an integer number (1331883).

Almost surely, 2^22137230 is an apocalyptic number.

22137230 is a deficient number, since it is larger than the sum of its proper divisors (20483026).

22137230 is a wasteful number, since it uses less digits than its factorization.

22137230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 22137230 is about 4705.0217852843. The cubic root of 22137230 is about 280.7853377598.

The spelling of 22137230 in words is "twenty-two million, one hundred thirty-seven thousand, two hundred thirty".