2226661979 has 2 divisors, whose sum is σ = 2226661980. Its totient is φ = 2226661978.

The previous prime is 2226661967. The next prime is 2226662089. The reversal of 2226661979 is 9791666222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2226661979 - 2²⁴ = 2209884763 is a prime.

It is not a weakly prime, because it can be changed into another prime (2226661079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113330989 + 1113330990.

It is an arithmetic number, because the mean of its divisors is an integer number (1113330990).

Almost surely, 2^2226661979 is an apocalyptic number.

2226661979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226661979 is an equidigital number, since it uses as much as digits as its factorization.

2226661979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The square root of 2226661979 is about 47187.5193139033. The cubic root of 2226661979 is about 1305.8243552808.

The spelling of 2226661979 in words is "two billion, two hundred twenty-six million, six hundred sixty-one thousand, nine hundred seventy-nine".