22453979279 has 2 divisors, whose sum is σ = 22453979280. Its totient is φ = 22453979278.

The previous prime is 22453979243. The next prime is 22453979323. The reversal of 22453979279 is 97297935422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22453979279 - 2¹² = 22453975183 is a prime.

It is a super-2 number, since 2×22453979279² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22453978279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226989639 + 11226989640.

It is an arithmetic number, because the mean of its divisors is an integer number (11226989640).

Almost surely, 2^22453979279 is an apocalyptic number.

22453979279 is a deficient number, since it is larger than the sum of its proper divisors (1).

22453979279 is an equidigital number, since it uses as much as digits as its factorization.

22453979279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17146080, while the sum is 59.

The spelling of 22453979279 in words is "twenty-two billion, four hundred fifty-three million, nine hundred seventy-nine thousand, two hundred seventy-nine".