2211299979 has 24 divisors (see below), whose sum is σ = 3465152208. Its totient is φ = 1250565120.

The previous prime is 2211299969. The next prime is 2211299989. The reversal of 2211299979 is 9799921122.

It is an interprime number because it is at equal distance from previous prime (2211299969) and next prime (2211299989).

It is not a de Polignac number, because 2211299979 - 2⁸ = 2211299723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211299929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63282 + ... + 91799.

It is an arithmetic number, because the mean of its divisors is an integer number (144381342).

Almost surely, 2^2211299979 is an apocalyptic number.

2211299979 is a deficient number, since it is larger than the sum of its proper divisors (1253852229).

2211299979 is a wasteful number, since it uses less digits than its factorization.

2211299979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155195 (or 155188 counting only the distinct ones).

The product of its digits is 367416, while the sum is 51.

The square root of 2211299979 is about 47024.4614961192. The cubic root of 2211299979 is about 1302.8144112732.

The spelling of 2211299979 in words is "two billion, two hundred eleven million, two hundred ninety-nine thousand, nine hundred seventy-nine".