22056641701613 has 2 divisors, whose sum is σ = 22056641701614. Its totient is φ = 22056641701612.

The previous prime is 22056641701517. The next prime is 22056641701621. The reversal of 22056641701613 is 31610714665022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20113592493124 + 1943049208489 = 4484818^2 + 1393933^2 .

It is a cyclic number.

It is not a de Polignac number, because 22056641701613 - 2¹⁰ = 22056641700589 is a prime.

It is a super-2 number, since 2×22056641701613² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22056641701643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11028320850806 + 11028320850807.

It is an arithmetic number, because the mean of its divisors is an integer number (11028320850807).

Almost surely, 2^{22056641701613} is an apocalyptic number.

It is an amenable number.

22056641701613 is a deficient number, since it is larger than the sum of its proper divisors (1).

22056641701613 is an equidigital number, since it uses as much as digits as its factorization.

22056641701613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 22056641701613 in words is "twenty-two trillion, fifty-six billion, six hundred forty-one million, seven hundred one thousand, six hundred thirteen".