222266804 has 6 divisors (see below), whose sum is σ = 388966914. Its totient is φ = 111133400.

The previous prime is 222266801. The next prime is 222266809. The reversal of 222266804 is 408662222.

It can be written as a sum of positive squares in only one way, i.e., 131102500 + 91164304 = 11450^2 + 9548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222266801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27783347 + ... + 27783354.

It is an arithmetic number, because the mean of its divisors is an integer number (64827819).

Almost surely, 2^222266804 is an apocalyptic number.

It is an amenable number.

222266804 is a deficient number, since it is larger than the sum of its proper divisors (166700110).

222266804 is a wasteful number, since it uses less digits than its factorization.

222266804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55566705 (or 55566703 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 222266804 is about 14908.6150932942. The cubic root of 222266804 is about 605.7473668022.

The spelling of 222266804 in words is "two hundred twenty-two million, two hundred sixty-six thousand, eight hundred four".