222813606 has 16 divisors (see below), whose sum is σ = 445773744. Its totient is φ = 74246784.

The previous prime is 222813599. The next prime is 222813607. The reversal of 222813606 is 606318222.

222813606 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222813607) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31186 + ... + 37658.

It is an arithmetic number, because the mean of its divisors is an integer number (27860859).

Almost surely, 2^222813606 is an apocalyptic number.

222813606 is an abundant number, since it is smaller than the sum of its proper divisors (222960138).

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

222813606 is a wasteful number, since it uses less digits than its factorization.

222813606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12215.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 222813606 is about 14926.9422856793. The cubic root of 222813606 is about 606.2436961686.

The spelling of 222813606 in words is "two hundred twenty-two million, eight hundred thirteen thousand, six hundred six".