22651179779 has 2 divisors, whose sum is σ = 22651179780. Its totient is φ = 22651179778.

The previous prime is 22651179689. The next prime is 22651179827. The reversal of 22651179779 is 97797115622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22651179779 - 2¹⁶ = 22651114243 is a prime.

It is not a weakly prime, because it can be changed into another prime (22651119779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11325589889 + 11325589890.

It is an arithmetic number, because the mean of its divisors is an integer number (11325589890).

Almost surely, 2^22651179779 is an apocalyptic number.

22651179779 is a deficient number, since it is larger than the sum of its proper divisors (1).

22651179779 is an equidigital number, since it uses as much as digits as its factorization.

22651179779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3333960, while the sum is 56.

The spelling of 22651179779 in words is "twenty-two billion, six hundred fifty-one million, one hundred seventy-nine thousand, seven hundred seventy-nine".