222246764 has 6 divisors (see below), whose sum is σ = 388931844. Its totient is φ = 111123380.

The previous prime is 222246757. The next prime is 222246767. The reversal of 222246764 is 467642222.

It is not an unprimeable number, because it can be changed into a prime (222246767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780842 + ... + 27780849.

It is an arithmetic number, because the mean of its divisors is an integer number (64821974).

Almost surely, 2^222246764 is an apocalyptic number.

It is an amenable number.

222246764 is a deficient number, since it is larger than the sum of its proper divisors (166685080).

222246764 is a wasteful number, since it uses less digits than its factorization.

222246764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55561695 (or 55561693 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 222246764 is about 14907.9429835239. The cubic root of 222246764 is about 605.7291611415.

Adding to 222246764 its reverse (467642222), we get a palindrome (689888986).

The spelling of 222246764 in words is "two hundred twenty-two million, two hundred forty-six thousand, seven hundred sixty-four".