2279117992 has 16 divisors (see below), whose sum is σ = 4372727040. Its totient is φ = 1113057456.

The previous prime is 2279117989. The next prime is 2279118007. The reversal of 2279117992 is 2997119722.

It is a super-2 number, since 2×2279117992² = 10388757642916224128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3312328 + ... + 3313015.

It is an arithmetic number, because the mean of its divisors is an integer number (273295440).

Almost surely, 2^2279117992 is an apocalyptic number.

It is an amenable number.

2279117992 is a deficient number, since it is larger than the sum of its proper divisors (2093609048).

2279117992 is a wasteful number, since it uses less digits than its factorization.

2279117992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625392 (or 6625388 counting only the distinct ones).

The product of its digits is 285768, while the sum is 49.

The square root of 2279117992 is about 47740.1088394235. The cubic root of 2279117992 is about 1315.9991331067. Note that the first 3 decimals are identical.

The spelling of 2279117992 in words is "two billion, two hundred seventy-nine million, one hundred seventeen thousand, nine hundred ninety-two".