22136994672917 has 2 divisors, whose sum is σ = 22136994672918. Its totient is φ = 22136994672916.

The previous prime is 22136994672883. The next prime is 22136994672931. The reversal of 22136994672917 is 71927649963122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18861379734961 + 3275614937956 = 4342969^2 + 1809866^2 .

It is a cyclic number.

It is not a de Polignac number, because 22136994672917 - 2¹⁰ = 22136994671893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22136994672967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11068497336458 + 11068497336459.

It is an arithmetic number, because the mean of its divisors is an integer number (11068497336459).

Almost surely, 2^{22136994672917} is an apocalyptic number.

It is an amenable number.

22136994672917 is a deficient number, since it is larger than the sum of its proper divisors (1).

22136994672917 is an equidigital number, since it uses as much as digits as its factorization.

22136994672917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123451776, while the sum is 68.

The spelling of 22136994672917 in words is "twenty-two trillion, one hundred thirty-six billion, nine hundred ninety-four million, six hundred seventy-two thousand, nine hundred seventeen".