22495237 has 2 divisors, whose sum is σ = 22495238. Its totient is φ = 22495236.

The previous prime is 22495229. The next prime is 22495273. The reversal of 22495237 is 73259422.

It is a happy number.

Together with next prime (22495273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17255716 + 5239521 = 4154^2 + 2289^2 .

It is a cyclic number.

It is not a de Polignac number, because 22495237 - 2³ = 22495229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22495337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11247618 + 11247619.

It is an arithmetic number, because the mean of its divisors is an integer number (11247619).

Almost surely, 2^22495237 is an apocalyptic number.

It is an amenable number.

22495237 is a deficient number, since it is larger than the sum of its proper divisors (1).

22495237 is an equidigital number, since it uses as much as digits as its factorization.

22495237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 22495237 is about 4742.9143993962. The cubic root of 22495237 is about 282.2908865713.

The spelling of 22495237 in words is "twenty-two million, four hundred ninety-five thousand, two hundred thirty-seven".