2215727378 has 16 divisors (see below), whose sum is σ = 3368252160. Its totient is φ = 1092998400.

The previous prime is 2215727369. The next prime is 2215727407. The reversal of 2215727378 is 8737275122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234098 + ... + 243378.

It is an arithmetic number, because the mean of its divisors is an integer number (210515760).

Almost surely, 2^2215727378 is an apocalyptic number.

2215727378 is a deficient number, since it is larger than the sum of its proper divisors (1152524782).

2215727378 is a wasteful number, since it uses less digits than its factorization.

2215727378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10873.

The product of its digits is 329280, while the sum is 44.

The square root of 2215727378 is about 47071.5134449701. The cubic root of 2215727378 is about 1303.6833170441.

The spelling of 2215727378 in words is "two billion, two hundred fifteen million, seven hundred twenty-seven thousand, three hundred seventy-eight".