22023452237 has 2 divisors, whose sum is σ = 22023452238. Its totient is φ = 22023452236.

The previous prime is 22023452219. The next prime is 22023452251. The reversal of 22023452237 is 73225432022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20192125801 + 1831326436 = 142099^2 + 42794^2 .

It is a cyclic number.

It is not a de Polignac number, because 22023452237 - 2⁸ = 22023451981 is a prime.

It is a super-3 number, since 3×22023452237³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22023452257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011726118 + 11011726119.

It is an arithmetic number, because the mean of its divisors is an integer number (11011726119).

Almost surely, 2^22023452237 is an apocalyptic number.

It is an amenable number.

22023452237 is a deficient number, since it is larger than the sum of its proper divisors (1).

22023452237 is an equidigital number, since it uses as much as digits as its factorization.

22023452237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 32.

Adding to 22023452237 its reverse (73225432022), we get a palindrome (95248884259).

The spelling of 22023452237 in words is "twenty-two billion, twenty-three million, four hundred fifty-two thousand, two hundred thirty-seven".