2265147 has 12 divisors (see below), whose sum is σ = 3285360. Its totient is φ = 1503888.

The previous prime is 2265143. The next prime is 2265149. The reversal of 2265147 is 7415622.

2265147 is a `hidden beast` number, since 2 + 2 + 651 + 4 + 7 = 666.

It is not a de Polignac number, because 2265147 - 2² = 2265143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2265147.

It is not an unprimeable number, because it can be changed into a prime (2265143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3178 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (273780).

2^2265147 is an apocalyptic number.

2265147 is a deficient number, since it is larger than the sum of its proper divisors (1020213).

2265147 is a wasteful number, since it uses less digits than its factorization.

2265147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1039 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2265147 is about 1505.0405310157. The cubic root of 2265147 is about 131.3304595098.

The spelling of 2265147 in words is "two million, two hundred sixty-five thousand, one hundred forty-seven".