2279725111 has 4 divisors (see below), whose sum is σ = 2286295272. Its totient is φ = 2273154952.

The previous prime is 2279725069. The next prime is 2279725153. The reversal of 2279725111 is 1115279722.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2279725069) and next prime (2279725153).

It is a cyclic number.

It is not a de Polignac number, because 2279725111 - 2⁷ = 2279724983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279728111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284560 + ... + 3285253.

It is an arithmetic number, because the mean of its divisors is an integer number (571573818).

Almost surely, 2^2279725111 is an apocalyptic number.

2279725111 is a deficient number, since it is larger than the sum of its proper divisors (6570161).

2279725111 is an equidigital number, since it uses as much as digits as its factorization.

2279725111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570160.

The product of its digits is 17640, while the sum is 37.

The square root of 2279725111 is about 47746.4670001876. The cubic root of 2279725111 is about 1316.1159761350.

The spelling of 2279725111 in words is "two billion, two hundred seventy-nine million, seven hundred twenty-five thousand, one hundred eleven".