2222564 has 12 divisors (see below), whose sum is σ = 3900204. Its totient is φ = 1108224.

The previous prime is 2222543. The next prime is 2222567. The reversal of 2222564 is 4652222.

2222564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 640000 + 1582564 = 800^2 + 1258^2 .

It is not an unprimeable number, because it can be changed into a prime (2222567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904 + ... + 2840.

It is an arithmetic number, because the mean of its divisors is an integer number (325017).

2^2222564 is an apocalyptic number.

It is an amenable number.

2222564 is a deficient number, since it is larger than the sum of its proper divisors (1677640).

2222564 is a wasteful number, since it uses less digits than its factorization.

2222564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534 (or 1532 counting only the distinct ones).

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

The square root of 2222564 is about 1490.8266163441. The cubic root of 2222564 is about 130.5022777698.

Adding to 2222564 its reverse (4652222), we get a palindrome (6874786).

The spelling of 2222564 in words is "two million, two hundred twenty-two thousand, five hundred sixty-four".