2215740312 has 32 divisors (see below), whose sum is σ = 6154834800. Its totient is φ = 738580032.

The previous prime is 2215740299. The next prime is 2215740353. The reversal of 2215740312 is 2130475122.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 5128813 + ... + 5129244.

Almost surely, 2^2215740312 is an apocalyptic number.

It is an amenable number.

2215740312 is an abundant number, since it is smaller than the sum of its proper divisors (3939094488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215740312 is a wasteful number, since it uses less digits than its factorization.

2215740312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258072 (or 10258062 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2215740312 is about 47071.6508314718. The cubic root of 2215740312 is about 1303.6858537291.

The spelling of 2215740312 in words is "two billion, two hundred fifteen million, seven hundred forty thousand, three hundred twelve".