2279315722 has 4 divisors (see below), whose sum is σ = 3418973586. Its totient is φ = 1139657860.

The previous prime is 2279315669. The next prime is 2279315741. The reversal of 2279315722 is 2275139722.

It is a happy number.

2279315722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2279012121 + 303601 = 47739^2 + 551^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569828929 + ... + 569828932.

Almost surely, 2^2279315722 is an apocalyptic number.

2279315722 is a deficient number, since it is larger than the sum of its proper divisors (1139657864).

2279315722 is a wasteful number, since it uses less digits than its factorization.

2279315722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139657863.

The product of its digits is 105840, while the sum is 40.

The square root of 2279315722 is about 47742.1796946893. The cubic root of 2279315722 is about 1316.0371894930.

The spelling of 2279315722 in words is "two billion, two hundred seventy-nine million, three hundred fifteen thousand, seven hundred twenty-two".