22247025769 has 2 divisors, whose sum is σ = 22247025770. Its totient is φ = 22247025768.

The previous prime is 22247025733. The next prime is 22247025781. The reversal of 22247025769 is 96752074222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12743700544 + 9503325225 = 112888^2 + 97485^2 .

It is a cyclic number.

It is not a de Polignac number, because 22247025769 - 2⁷ = 22247025641 is a prime.

It is a super-2 number, since 2×22247025769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22247025869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11123512884 + 11123512885.

It is an arithmetic number, because the mean of its divisors is an integer number (11123512885).

Almost surely, 2^22247025769 is an apocalyptic number.

It is an amenable number.

22247025769 is a deficient number, since it is larger than the sum of its proper divisors (1).

22247025769 is an equidigital number, since it uses as much as digits as its factorization.

22247025769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 22247025769 in words is "twenty-two billion, two hundred forty-seven million, twenty-five thousand, seven hundred sixty-nine".