2215493876 has 12 divisors (see below), whose sum is σ = 3971678340. Its totient is φ = 1080728640.

The previous prime is 2215493857. The next prime is 2215493887. The reversal of 2215493876 is 6783945122.

It can be written as a sum of positive squares in 2 ways, for example, as 36844900 + 2178648976 = 6070^2 + 46676^2 .

It is a super-2 number, since 2×2215493876² = 9816826229187006752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2215493876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6754391 + ... + 6754718.

It is an arithmetic number, because the mean of its divisors is an integer number (330973195).

Almost surely, 2^2215493876 is an apocalyptic number.

It is an amenable number.

2215493876 is a deficient number, since it is larger than the sum of its proper divisors (1756184464).

2215493876 is a wasteful number, since it uses less digits than its factorization.

2215493876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13509154 (or 13509152 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 2215493876 is about 47069.0330897077. The cubic root of 2215493876 is about 1303.6375196897.

The spelling of 2215493876 in words is "two billion, two hundred fifteen million, four hundred ninety-three thousand, eight hundred seventy-six".