2216492864 has 14 divisors (see below), whose sum is σ = 4398353154. Its totient is φ = 1108246400.

The previous prime is 2216492851. The next prime is 2216492879. The reversal of 2216492864 is 4682946122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1267360000 + 949132864 = 35600^2 + 30808^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17316287 + ... + 17316414.

Almost surely, 2^2216492864 is an apocalyptic number.

It is an amenable number.

2216492864 is a deficient number, since it is larger than the sum of its proper divisors (2181860290).

2216492864 is an equidigital number, since it uses as much as digits as its factorization.

2216492864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34632713 (or 34632703 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 2216492864 is about 47079.6438389247. The cubic root of 2216492864 is about 1303.8334312438.

The spelling of 2216492864 in words is "two billion, two hundred sixteen million, four hundred ninety-two thousand, eight hundred sixty-four".