22575102779 has 2 divisors, whose sum is σ = 22575102780. Its totient is φ = 22575102778.

The previous prime is 22575102773. The next prime is 22575102787. The reversal of 22575102779 is 97720157522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22575102779 - 2⁴ = 22575102763 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22575102773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11287551389 + 11287551390.

It is an arithmetic number, because the mean of its divisors is an integer number (11287551390).

Almost surely, 2^22575102779 is an apocalyptic number.

22575102779 is a deficient number, since it is larger than the sum of its proper divisors (1).

22575102779 is an equidigital number, since it uses as much as digits as its factorization.

22575102779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 22575102779 in words is "twenty-two billion, five hundred seventy-five million, one hundred two thousand, seven hundred seventy-nine".