22212232979 has 2 divisors, whose sum is σ = 22212232980. Its totient is φ = 22212232978.

The previous prime is 22212232969. The next prime is 22212233011. The reversal of 22212232979 is 97923221222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212232979 is a prime.

It is not a weakly prime, because it can be changed into another prime (22212232969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106116489 + 11106116490.

It is an arithmetic number, because the mean of its divisors is an integer number (11106116490).

Almost surely, 2^22212232979 is an apocalyptic number.

22212232979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212232979 is an equidigital number, since it uses as much as digits as its factorization.

22212232979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The spelling of 22212232979 in words is "twenty-two billion, two hundred twelve million, two hundred thirty-two thousand, nine hundred seventy-nine".