22566660937 has 2 divisors, whose sum is σ = 22566660938. Its totient is φ = 22566660936.

The previous prime is 22566660929. The next prime is 22566660989. The reversal of 22566660937 is 73906666522.

It is an a-pointer prime, because the next prime (22566660989) can be obtained adding 22566660937 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14818436361 + 7748224576 = 121731^2 + 88024^2 .

It is a cyclic number.

It is not a de Polignac number, because 22566660937 - 2³ = 22566660929 is a prime.

It is not a weakly prime, because it can be changed into another prime (22566660917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11283330468 + 11283330469.

It is an arithmetic number, because the mean of its divisors is an integer number (11283330469).

Almost surely, 2^22566660937 is an apocalyptic number.

It is an amenable number.

22566660937 is a deficient number, since it is larger than the sum of its proper divisors (1).

22566660937 is an equidigital number, since it uses as much as digits as its factorization.

22566660937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 22566660937 in words is "twenty-two billion, five hundred sixty-six million, six hundred sixty thousand, nine hundred thirty-seven".