32221998979 has 2 divisors, whose sum is σ = 32221998980. Its totient is φ = 32221998978.

The previous prime is 32221998973. The next prime is 32221998983. The reversal of 32221998979 is 97989912223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32221998979 - 2⁵ = 32221998947 is a prime.

It is not a weakly prime, because it can be changed into another prime (32221998973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110999489 + 16110999490.

It is an arithmetic number, because the mean of its divisors is an integer number (16110999490).

Almost surely, 2^32221998979 is an apocalyptic number.

32221998979 is a deficient number, since it is larger than the sum of its proper divisors (1).

32221998979 is an equidigital number, since it uses as much as digits as its factorization.

32221998979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 61.

The spelling of 32221998979 in words is "thirty-two billion, two hundred twenty-one million, nine hundred ninety-eight thousand, nine hundred seventy-nine".