22481449769 has 2 divisors, whose sum is σ = 22481449770. Its totient is φ = 22481449768.

The previous prime is 22481449733. The next prime is 22481449801. The reversal of 22481449769 is 96794418422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18704118169 + 3777331600 = 136763^2 + 61460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22481449769 is a prime.

It is a super-2 number, since 2×22481449769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22481449729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11240724884 + 11240724885.

It is an arithmetic number, because the mean of its divisors is an integer number (11240724885).

Almost surely, 2^22481449769 is an apocalyptic number.

It is an amenable number.

22481449769 is a deficient number, since it is larger than the sum of its proper divisors (1).

22481449769 is an equidigital number, since it uses as much as digits as its factorization.

22481449769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 56.

The spelling of 22481449769 in words is "twenty-two billion, four hundred eighty-one million, four hundred forty-nine thousand, seven hundred sixty-nine".