2268564 has 24 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 746304.

The previous prime is 2268557. The next prime is 2268577. The reversal of 2268564 is 4658622.

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, 249 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

2^2268564 is an apocalyptic number.

It is an amenable number.

2268564 is an abundant number, since it is smaller than the sum of its proper divisors (3093996).

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

2268564 is a wasteful number, since it uses less digits than its factorization.

2268564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479 (or 2477 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 2268564 is about 1506.1752886036. The cubic root of 2268564 is about 131.3964641617.

It can be divided in two parts, 22 and 68564, that added together give a palindrome (68586).

The spelling of 2268564 in words is "two million, two hundred sixty-eight thousand, five hundred sixty-four".