2279719955 has 4 divisors (see below), whose sum is σ = 2735663952. Its totient is φ = 1823775960.

The previous prime is 2279719951. The next prime is 2279719987. The reversal of 2279719955 is 5599179722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5599179722 = 2 ⋅2799589861.

It is not a de Polignac number, because 2279719955 - 2² = 2279719951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2279719955.

It is not an unprimeable number, because it can be changed into a prime (2279719951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227971991 + ... + 227972000.

It is an arithmetic number, because the mean of its divisors is an integer number (683915988).

Almost surely, 2^2279719955 is an apocalyptic number.

2279719955 is a deficient number, since it is larger than the sum of its proper divisors (455943997).

2279719955 is an equidigital number, since it uses as much as digits as its factorization.

2279719955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455943996.

The product of its digits is 3572100, while the sum is 56.

The square root of 2279719955 is about 47746.4130066333. The cubic root of 2279719955 is about 1316.1149839249.

The spelling of 2279719955 in words is "two billion, two hundred seventy-nine million, seven hundred nineteen thousand, nine hundred fifty-five".