22746137 has 2 divisors, whose sum is σ = 22746138. Its totient is φ = 22746136.

The previous prime is 22746133. The next prime is 22746151. The reversal of 22746137 is 73164722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17799961 + 4946176 = 4219^2 + 2224^2 .

It is a cyclic number.

It is not a de Polignac number, because 22746137 - 2² = 22746133 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22746131) 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 as a sum of consecutive naturals, namely, 11373068 + 11373069.

It is an arithmetic number, because the mean of its divisors is an integer number (11373069).

Almost surely, 2^22746137 is an apocalyptic number.

It is an amenable number.

22746137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22746137 is an equidigital number, since it uses as much as digits as its factorization.

22746137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 22746137 is about 4769.2910374604. The cubic root of 22746137 is about 283.3365165348.

It can be divided in two parts, 227 and 46137, that added together give a palindrome (46364).

The spelling of 22746137 in words is "twenty-two million, seven hundred forty-six thousand, one hundred thirty-seven".