22232309458889 has 2 divisors, whose sum is σ = 22232309458890. Its totient is φ = 22232309458888.

The previous prime is 22232309458883. The next prime is 22232309458943. The reversal of 22232309458889 is 98885490323222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13422573124489 + 8809736334400 = 3663683^2 + 2968120^2 .

It is a cyclic number.

It is not a de Polignac number, because 22232309458889 - 2⁸ = 22232309458633 is a prime.

It is a super-2 number, since 2×22232309458889² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22232309458883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116154729444 + 11116154729445.

It is an arithmetic number, because the mean of its divisors is an integer number (11116154729445).

Almost surely, 2^{22232309458889} is an apocalyptic number.

It is an amenable number.

22232309458889 is a deficient number, since it is larger than the sum of its proper divisors (1).

22232309458889 is an equidigital number, since it uses as much as digits as its factorization.

22232309458889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119439360, while the sum is 65.

The spelling of 22232309458889 in words is "twenty-two trillion, two hundred thirty-two billion, three hundred nine million, four hundred fifty-eight thousand, eight hundred eighty-nine".