22235439979 has 2 divisors, whose sum is σ = 22235439980. Its totient is φ = 22235439978.

The previous prime is 22235439913. The next prime is 22235440027. The reversal of 22235439979 is 97993453222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22235439979 - 2⁷ = 22235439851 is a prime.

It is not a weakly prime, because it can be changed into another prime (22235439679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11117719989 + 11117719990.

It is an arithmetic number, because the mean of its divisors is an integer number (11117719990).

Almost surely, 2^22235439979 is an apocalyptic number.

22235439979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22235439979 is an equidigital number, since it uses as much as digits as its factorization.

22235439979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 55.

The spelling of 22235439979 in words is "twenty-two billion, two hundred thirty-five million, four hundred thirty-nine thousand, nine hundred seventy-nine".