22137 has 8 divisors (see below), whose sum is σ = 30336. Its totient is φ = 14352.

The previous prime is 22133. The next prime is 22147. The reversal of 22137 is 73122.

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

It is not a de Polignac number, because 22137 - 2² = 22133 is a prime.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (22133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63 + ... + 219.

It is an arithmetic number, because the mean of its divisors is an integer number (3792).

2²²¹³⁷ is an apocalyptic number.

It is an amenable number.

22137 is a deficient number, since it is larger than the sum of its proper divisors (8199).

22137 is a wasteful number, since it uses less digits than its factorization.

22137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207.

The product of its digits is 84, while the sum is 15.

The square root of 22137 is about 148.7850798971. The cubic root of 22137 is about 28.0784365328.

Subtracting from 22137 its sum of digits (15), we obtain a palindrome (22122).

Adding to 22137 its reverse (73122), we get a palindrome (95259).

The spelling of 22137 in words is "twenty-two thousand, one hundred thirty-seven".