2281865215 has 16 divisors (see below), whose sum is σ = 3164581440. Its totient is φ = 1547124480.

The previous prime is 2281865191. The next prime is 2281865231. The reversal of 2281865215 is 5125681822.

It is not a de Polignac number, because 2281865215 - 2¹¹ = 2281863167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363156 + ... + 369385.

It is an arithmetic number, because the mean of its divisors is an integer number (197786340).

Almost surely, 2^2281865215 is an apocalyptic number.

2281865215 is a deficient number, since it is larger than the sum of its proper divisors (882716225).

2281865215 is an equidigital number, since it uses as much as digits as its factorization.

2281865215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732642.

The product of its digits is 76800, while the sum is 40.

The square root of 2281865215 is about 47768.8728671716. The cubic root of 2281865215 is about 1316.5276842743.

The spelling of 2281865215 in words is "two billion, two hundred eighty-one million, eight hundred sixty-five thousand, two hundred fifteen".