2265844 has 12 divisors (see below), whose sum is σ = 4531744. Its totient is φ = 971064.

The previous prime is 2265841. The next prime is 2265869. The reversal of 2265844 is 4485622.

2265844 = T₁₈₉ + T₁₉₀ + ... + T₂₇₂.

2265844 = 173² + 174² + ... + 228².

2265844 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40434 + ... + 40489.

2^2265844 is an apocalyptic number.

It is an amenable number.

2265844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2265844 is a wasteful number, since it uses less digits than its factorization.

2265844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80934 (or 80932 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 2265844 is about 1505.2720684315. The cubic root of 2265844 is about 131.3439285316.

The spelling of 2265844 in words is "two million, two hundred sixty-five thousand, eight hundred forty-four".