2215727379 has 20 divisors (see below), whose sum is σ = 3453825936. Its totient is φ = 1412926416.

The previous prime is 2215727369. The next prime is 2215727407. The reversal of 2215727379 is 9737275122.

2215727379 is a `hidden beast` number, since 2 + 2 + 1 + 572 + 7 + 3 + 79 = 666.

It is not a de Polignac number, because 2215727379 - 2⁹ = 2215726867 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2215727309) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 592804 + ... + 596529.

Almost surely, 2^2215727379 is an apocalyptic number.

2215727379 is a deficient number, since it is larger than the sum of its proper divisors (1238098557).

2215727379 is a wasteful number, since it uses less digits than its factorization.

2215727379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189368 (or 1189359 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 2215727379 is about 47071.5134555922. The cubic root of 2215727379 is about 1303.6833172403.

The spelling of 2215727379 in words is "two billion, two hundred fifteen million, seven hundred twenty-seven thousand, three hundred seventy-nine".