222206604 has 24 divisors (see below), whose sum is σ = 524731200. Its totient is φ = 73176144.

The previous prime is 222206603. The next prime is 222206623. The reversal of 222206604 is 406602222.

It is a super-2 number, since 2×222206604² = 98751549722425632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222206603) 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, 110554 + ... + 112545.

It is an arithmetic number, because the mean of its divisors is an integer number (21863800).

Almost surely, 2^222206604 is an apocalyptic number.

It is an amenable number.

222206604 is an abundant number, since it is smaller than the sum of its proper divisors (302524596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222206604 is a wasteful number, since it uses less digits than its factorization.

222206604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223189 (or 223187 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 222206604 is about 14906.5959896953. The cubic root of 222206604 is about 605.6926738483.

Adding to 222206604 its reverse (406602222), we get a palindrome (628808826).

The spelling of 222206604 in words is "two hundred twenty-two million, two hundred six thousand, six hundred four".