2240564 has 12 divisors (see below), whose sum is σ = 3956484. Its totient is φ = 1110144.

The previous prime is 2240551. The next prime is 2240573. The reversal of 2240564 is 4650422.

It can be written as a sum of positive squares in 2 ways, for example, as 824464 + 1416100 = 908^2 + 1190^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2027 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (329707).

2^2240564 is an apocalyptic number.

It is an amenable number.

2240564 is a deficient number, since it is larger than the sum of its proper divisors (1715920).

2240564 is a wasteful number, since it uses less digits than its factorization.

2240564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074 (or 5072 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2240564 is about 1496.8513620263. The cubic root of 2240564 is about 130.8536329229.

Adding to 2240564 its reverse (4650422), we get a palindrome (6890986).

The spelling of 2240564 in words is "two million, two hundred forty thousand, five hundred sixty-four".