22159009637 has 2 divisors, whose sum is σ = 22159009638. Its totient is φ = 22159009636.

The previous prime is 22159009627. The next prime is 22159009681. The reversal of 22159009637 is 73690095122.

It is an a-pointer prime, because the next prime (22159009681) can be obtained adding 22159009637 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12514001956 + 9645007681 = 111866^2 + 98209^2 .

It is a cyclic number.

It is not a de Polignac number, because 22159009637 - 2¹⁴ = 22158993253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22159009627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11079504818 + 11079504819.

It is an arithmetic number, because the mean of its divisors is an integer number (11079504819).

Almost surely, 2^22159009637 is an apocalyptic number.

It is an amenable number.

22159009637 is a deficient number, since it is larger than the sum of its proper divisors (1).

22159009637 is an equidigital number, since it uses as much as digits as its factorization.

22159009637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 22159009637 in words is "twenty-two billion, one hundred fifty-nine million, nine thousand, six hundred thirty-seven".