2222764 has 6 divisors (see below), whose sum is σ = 3889844. Its totient is φ = 1111380.

The previous prime is 2222761. The next prime is 2222783. The reversal of 2222764 is 4672222.

2222764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2222761) 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 as a sum of consecutive naturals, namely, 277842 + ... + 277849.

2^2222764 is an apocalyptic number.

It is an amenable number.

2222764 is a deficient number, since it is larger than the sum of its proper divisors (1667080).

2222764 is a wasteful number, since it uses less digits than its factorization.

2222764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555695 (or 555693 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 2222764 is about 1490.8936917165. The cubic root of 2222764 is about 130.5061921187.

Adding to 2222764 its reverse (4672222), we get a palindrome (6894986).

The spelling of 2222764 in words is "two million, two hundred twenty-two thousand, seven hundred sixty-four".