2265456 has 40 divisors (see below), whose sum is σ = 5919760. Its totient is φ = 746496.

The previous prime is 2265443. The next prime is 2265463. The reversal of 2265456 is 6545622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5016 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (147994).

2^2265456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2265456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2959880).

2265456 is an abundant number, since it is smaller than the sum of its proper divisors (3654304).

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

2265456 is a wasteful number, since it uses less digits than its factorization.

2265456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 547 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2265456 is about 1505.1431825577. The cubic root of 2265456 is about 131.3364310526.

The spelling of 2265456 in words is "two million, two hundred sixty-five thousand, four hundred fifty-six".