2265615 has 48 divisors (see below), whose sum is σ = 4492800. Its totient is φ = 1045440.

The previous prime is 2265611. The next prime is 2265623. The reversal of 2265615 is 5165622.

2265615 is a `hidden beast` number, since 2 + 2 + 656 + 1 + 5 = 666.

It is not a de Polignac number, because 2265615 - 2² = 2265611 is a prime.

It is a super-2 number, since 2×2265615² = 10266022656450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11286 + ... + 11484.

It is an arithmetic number, because the mean of its divisors is an integer number (93600).

2^2265615 is an apocalyptic number.

2265615 is a deficient number, since it is larger than the sum of its proper divisors (2227185).

2265615 is a wasteful number, since it uses less digits than its factorization.

2265615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 241 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2265615 is about 1505.1960005262. The cubic root of 2265615 is about 131.3395035766.

The spelling of 2265615 in words is "two million, two hundred sixty-five thousand, six hundred fifteen".