22221330179 has 2 divisors, whose sum is σ = 22221330180. Its totient is φ = 22221330178.

The previous prime is 22221330133. The next prime is 22221330211. The reversal of 22221330179 is 97103312222.

It is an a-pointer prime, because the next prime (22221330211) can be obtained adding 22221330179 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22221330179 is a prime.

It is not a weakly prime, because it can be changed into another prime (22221330979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110665089 + 11110665090.

It is an arithmetic number, because the mean of its divisors is an integer number (11110665090).

Almost surely, 2^22221330179 is an apocalyptic number.

22221330179 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221330179 is an equidigital number, since it uses as much as digits as its factorization.

22221330179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 22221330179 in words is "twenty-two billion, two hundred twenty-one million, three hundred thirty thousand, one hundred seventy-nine".