22105252979 has 2 divisors, whose sum is σ = 22105252980. Its totient is φ = 22105252978.

The previous prime is 22105252969. The next prime is 22105253003. The reversal of 22105252979 is 97925250122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22105252979 - 2¹⁶ = 22105187443 is a prime.

It is not a weakly prime, because it can be changed into another prime (22105252909) 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, 11052626489 + 11052626490.

It is an arithmetic number, because the mean of its divisors is an integer number (11052626490).

Almost surely, 2^22105252979 is an apocalyptic number.

22105252979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22105252979 is an equidigital number, since it uses as much as digits as its factorization.

22105252979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 22105252979 in words is "twenty-two billion, one hundred five million, two hundred fifty-two thousand, nine hundred seventy-nine".