22530037 has 2 divisors, whose sum is σ = 22530038. Its totient is φ = 22530036.

The previous prime is 22530017. The next prime is 22530073. The reversal of 22530037 is 73003522.

It is a happy number.

Together with next prime (22530073) 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., 17189316 + 5340721 = 4146^2 + 2311^2 .

It is a cyclic number.

It is not a de Polignac number, because 22530037 - 2⁷ = 22529909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22530007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11265018 + 11265019.

It is an arithmetic number, because the mean of its divisors is an integer number (11265019).

Almost surely, 2^22530037 is an apocalyptic number.

It is an amenable number.

22530037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22530037 is an equidigital number, since it uses as much as digits as its factorization.

22530037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 22530037 is about 4746.5816120657. The cubic root of 22530037 is about 282.4363790217.

Adding to 22530037 its reverse (73003522), we get a palindrome (95533559).

The spelling of 22530037 in words is "twenty-two million, five hundred thirty thousand, thirty-seven".