22002099979 has 2 divisors, whose sum is σ = 22002099980. Its totient is φ = 22002099978.

The previous prime is 22002099961. The next prime is 22002100013. The reversal of 22002099979 is 97999020022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22002099979 - 2⁹ = 22002099467 is a prime.

It is not a weakly prime, because it can be changed into another prime (22002039979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001049989 + 11001049990.

It is an arithmetic number, because the mean of its divisors is an integer number (11001049990).

Almost surely, 2^22002099979 is an apocalyptic number.

22002099979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002099979 is an equidigital number, since it uses as much as digits as its factorization.

22002099979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 49.

The spelling of 22002099979 in words is "twenty-two billion, two million, ninety-nine thousand, nine hundred seventy-nine".