222321004 has 6 divisors (see below), whose sum is σ = 389061764. Its totient is φ = 111160500.

The previous prime is 222320953. The next prime is 222321007. The reversal of 222321004 is 400123222.

It is not an unprimeable number, because it can be changed into a prime (222321007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27790122 + ... + 27790129.

Almost surely, 2^222321004 is an apocalyptic number.

It is an amenable number.

222321004 is a deficient number, since it is larger than the sum of its proper divisors (166740760).

222321004 is a wasteful number, since it uses less digits than its factorization.

222321004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55580255 (or 55580253 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222321004 is about 14910.4327234323. The cubic root of 222321004 is about 605.7966001836.

Adding to 222321004 its reverse (400123222), we get a palindrome (622444226).

The spelling of 222321004 in words is "two hundred twenty-two million, three hundred twenty-one thousand, four".