22943272537 has 2 divisors, whose sum is σ = 22943272538. Its totient is φ = 22943272536.

The previous prime is 22943272523. The next prime is 22943272571. The reversal of 22943272537 is 73527234922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22850554896 + 92717641 = 151164^2 + 9629^2 .

It is a cyclic number.

It is not a de Polignac number, because 22943272537 - 2²³ = 22934883929 is a prime.

It is not a weakly prime, because it can be changed into another prime (22943272837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11471636268 + 11471636269.

It is an arithmetic number, because the mean of its divisors is an integer number (11471636269).

Almost surely, 2^22943272537 is an apocalyptic number.

It is an amenable number.

22943272537 is a deficient number, since it is larger than the sum of its proper divisors (1).

22943272537 is an equidigital number, since it uses as much as digits as its factorization.

22943272537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 46.

The spelling of 22943272537 in words is "twenty-two billion, nine hundred forty-three million, two hundred seventy-two thousand, five hundred thirty-seven".