22136137 has 4 divisors (see below), whose sum is σ = 22152960. Its totient is φ = 22119316.

The previous prime is 22136131. The next prime is 22136141. The reversal of 22136137 is 73163122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73163122 = 2 ⋅36581561.

It is a cyclic number.

It is not a de Polignac number, because 22136137 - 2³ = 22136129 is a prime.

It is a super-2 number, since 2×22136137² = 980017122565538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22136131) 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 3 ways as a sum of consecutive naturals, for example, 6253 + ... + 9130.

It is an arithmetic number, because the mean of its divisors is an integer number (5538240).

Almost surely, 2^22136137 is an apocalyptic number.

It is an amenable number.

22136137 is a deficient number, since it is larger than the sum of its proper divisors (16823).

22136137 is a wasteful number, since it uses less digits than its factorization.

22136137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16822.

The product of its digits is 1512, while the sum is 25.

The square root of 22136137 is about 4704.9056313597. The cubic root of 22136137 is about 280.7807165339.

Adding to 22136137 its reverse (73163122), we get a palindrome (95299259).

The spelling of 22136137 in words is "twenty-two million, one hundred thirty-six thousand, one hundred thirty-seven".