2315216 has 10 divisors (see below), whose sum is σ = 4485762. Its totient is φ = 1157600.

The previous prime is 2315177. The next prime is 2315227. The reversal of 2315216 is 6125132.

It can be written as a sum of positive squares in only one way, i.e., 1960000 + 355216 = 1400^2 + 596^2 .

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, 72335 + ... + 72366.

2^2315216 is an apocalyptic number.

It is an amenable number.

2315216 is a deficient number, since it is larger than the sum of its proper divisors (2170546).

2315216 is a wasteful number, since it uses less digits than its factorization.

2315216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144709 (or 144703 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 2315216 is about 1521.5833858189. The cubic root of 2315216 is about 132.2910626573.

The spelling of 2315216 in words is "two million, three hundred fifteen thousand, two hundred sixteen".