2279717320 has 32 divisors (see below), whose sum is σ = 5131612800. Its totient is φ = 911487168.

The previous prime is 2279717309. The next prime is 2279717327. The reversal of 2279717320 is 237179722.

2279717320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2279717320² = 10394222118215964800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2279717327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90337 + ... + 112783.

It is an arithmetic number, because the mean of its divisors is an integer number (160362900).

Almost surely, 2^2279717320 is an apocalyptic number.

2279717320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2279717320 is an abundant number, since it is smaller than the sum of its proper divisors (2851895480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2279717320 is a wasteful number, since it uses less digits than its factorization.

2279717320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24997 (or 24993 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 2279717320 is about 47746.3854129294. The cubic root of 2279717320 is about 1316.1144768503.

The spelling of 2279717320 in words is "two billion, two hundred seventy-nine million, seven hundred seventeen thousand, three hundred twenty".