222228604 has 12 divisors (see below), whose sum is σ = 418815544. Its totient is φ = 102567024.

The previous prime is 222228581. The next prime is 222228619. The reversal of 222228604 is 406822222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2136762 + ... + 2136865.

Almost surely, 2^222228604 is an apocalyptic number.

It is an amenable number.

222228604 is a deficient number, since it is larger than the sum of its proper divisors (196586940).

222228604 is a wasteful number, since it uses less digits than its factorization.

222228604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273644 (or 4273642 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 222228604 is about 14907.3338997958. Note that the first 3 decimals coincide. The cubic root of 222228604 is about 605.7126624518.

It can be divided in two parts, 222 and 228604, that added together give a triangular number (228826 = T₆₇₆).

The spelling of 222228604 in words is "two hundred twenty-two million, two hundred twenty-eight thousand, six hundred four".