22342346218817 has 2 divisors, whose sum is σ = 22342346218818. Its totient is φ = 22342346218816.

The previous prime is 22342346218783. The next prime is 22342346218847. The reversal of 22342346218817 is 71881264324322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20567685295921 + 1774660922896 = 4535161^2 + 1332164^2 .

It is a cyclic number.

It is not a de Polignac number, because 22342346218817 - 2¹⁴ = 22342346202433 is a prime.

It is a super-2 number, since 2×22342346218817² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22342346218847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11171173109408 + 11171173109409.

It is an arithmetic number, because the mean of its divisors is an integer number (11171173109409).

Almost surely, 2^{22342346218817} is an apocalyptic number.

It is an amenable number.

22342346218817 is a deficient number, since it is larger than the sum of its proper divisors (1).

22342346218817 is an equidigital number, since it uses as much as digits as its factorization.

22342346218817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6193152, while the sum is 53.

The spelling of 22342346218817 in words is "twenty-two trillion, three hundred forty-two billion, three hundred forty-six million, two hundred eighteen thousand, eight hundred seventeen".