222764 has 6 divisors (see below), whose sum is σ = 389844. Its totient is φ = 111380.

The previous prime is 222731. The next prime is 222773. The reversal of 222764 is 467222.

222764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27842 + ... + 27849.

It is an arithmetic number, because the mean of its divisors is an integer number (64974).

2²²²⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

222764 is a deficient number, since it is larger than the sum of its proper divisors (167080).

222764 is a wasteful number, since it uses less digits than its factorization.

222764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55695 (or 55693 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 222764 is about 471.9788130838. The cubic root of 222764 is about 60.6198702571.

Adding to 222764 its reverse (467222), we get a palindrome (689986).

The spelling of 222764 in words is "two hundred twenty-two thousand, seven hundred sixty-four".