2302564 has 24 divisors (see below), whose sum is σ = 4501728. Its totient is φ = 1021440.

The previous prime is 2302561. The next prime is 2302579. The reversal of 2302564 is 4652032.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2302561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284 + ... + 2500.

It is an arithmetic number, because the mean of its divisors is an integer number (187572).

2^2302564 is an apocalyptic number.

It is an amenable number.

2302564 is a deficient number, since it is larger than the sum of its proper divisors (2199164).

2302564 is a wasteful number, since it uses less digits than its factorization.

2302564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2302564 is about 1517.4201791198. The cubic root of 2302564 is about 132.0496446262.

Adding to 2302564 its reverse (4652032), we get a palindrome (6954596).

The spelling of 2302564 in words is "two million, three hundred two thousand, five hundred sixty-four".