22045142279 has 2 divisors, whose sum is σ = 22045142280. Its totient is φ = 22045142278.

The previous prime is 22045142243. The next prime is 22045142311. The reversal of 22045142279 is 97224154022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22045142279 - 2¹² = 22045138183 is a prime.

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 (22045144279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11022571139 + 11022571140.

It is an arithmetic number, because the mean of its divisors is an integer number (11022571140).

Almost surely, 2^22045142279 is an apocalyptic number.

22045142279 is a deficient number, since it is larger than the sum of its proper divisors (1).

22045142279 is an equidigital number, since it uses as much as digits as its factorization.

22045142279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 22045142279 in words is "twenty-two billion, forty-five million, one hundred forty-two thousand, two hundred seventy-nine".