2856224215 has 24 divisors (see below), whose sum is σ = 3831159168. Its totient is φ = 2041153920.

The previous prime is 2856224197. The next prime is 2856224233. The reversal of 2856224215 is 5124226582.

It is an interprime number because it is at equal distance from previous prime (2856224197) and next prime (2856224233).

It is not a de Polignac number, because 2856224215 - 2⁵ = 2856224183 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28324 + ... + 80713.

It is an arithmetic number, because the mean of its divisors is an integer number (159631632).

Almost surely, 2^2856224215 is an apocalyptic number.

2856224215 is a deficient number, since it is larger than the sum of its proper divisors (974934953).

2856224215 is a wasteful number, since it uses less digits than its factorization.

2856224215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109099 (or 109086 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 2856224215 is about 53443.6545812503. The cubic root of 2856224215 is about 1418.8313162394.

The spelling of 2856224215 in words is "two billion, eight hundred fifty-six million, two hundred twenty-four thousand, two hundred fifteen".