22193421276641 has 2 divisors, whose sum is σ = 22193421276642. Its totient is φ = 22193421276640.

The previous prime is 22193421276629. The next prime is 22193421276709. The reversal of 22193421276641 is 14667212439122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18818209296016 + 3375211980625 = 4337996^2 + 1837175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22193421276641 is a prime.

It is a super-2 number, since 2×22193421276641² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22193421276641.

It is not a weakly prime, because it can be changed into another prime (22193421276601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11096710638320 + 11096710638321.

It is an arithmetic number, because the mean of its divisors is an integer number (11096710638321).

Almost surely, 2^{22193421276641} is an apocalyptic number.

It is an amenable number.

22193421276641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22193421276641 is an equidigital number, since it uses as much as digits as its factorization.

22193421276641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 50.

The spelling of 22193421276641 in words is "twenty-two trillion, one hundred ninety-three billion, four hundred twenty-one million, two hundred seventy-six thousand, six hundred forty-one".