22137129 has 12 divisors (see below), whose sum is σ = 36543936. Its totient is φ = 12649752.

The previous prime is 22137127. The next prime is 22137139. The reversal of 22137129 is 92173122.

It is not a de Polignac number, because 22137129 - 2¹ = 22137127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22137127) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 175629 + ... + 175754.

It is an arithmetic number, because the mean of its divisors is an integer number (3045328).

Almost surely, 2^22137129 is an apocalyptic number.

It is an amenable number.

22137129 is a deficient number, since it is larger than the sum of its proper divisors (14406807).

22137129 is a wasteful number, since it uses less digits than its factorization.

22137129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351396 (or 351393 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 22137129 is about 4705.0110520593. The cubic root of 22137129 is about 280.7849107362.

The spelling of 22137129 in words is "twenty-two million, one hundred thirty-seven thousand, one hundred twenty-nine".