222445604 has 24 divisors (see below), whose sum is σ = 406728000. Its totient is φ = 106250144.

The previous prime is 222445577. The next prime is 222445609. The reversal of 222445604 is 406544222.

It is not an unprimeable number, because it can be changed into a prime (222445609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137102 + ... + 138714.

It is an arithmetic number, because the mean of its divisors is an integer number (16947000).

Almost surely, 2^222445604 is an apocalyptic number.

It is an amenable number.

222445604 is a deficient number, since it is larger than the sum of its proper divisors (184282396).

222445604 is a wasteful number, since it uses less digits than its factorization.

222445604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139 (or 3137 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 222445604 is about 14914.6104206580. The cubic root of 222445604 is about 605.9097521246.

Adding to 222445604 its reverse (406544222), we get a palindrome (628989826).

The spelling of 222445604 in words is "two hundred twenty-two million, four hundred forty-five thousand, six hundred four".