222606066 has 16 divisors (see below), whose sum is σ = 445726944. Its totient is φ = 74116224.

The previous prime is 222606049. The next prime is 222606067. The reversal of 222606066 is 660606222.

222606066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222606067) 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, 15711 + ... + 26306.

It is an arithmetic number, because the mean of its divisors is an integer number (27857934).

Almost surely, 2^222606066 is an apocalyptic number.

222606066 is an abundant number, since it is smaller than the sum of its proper divisors (223120878).

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

222606066 is a wasteful number, since it uses less digits than its factorization.

222606066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42905.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 222606066 is about 14919.9888069663. The cubic root of 222606066 is about 606.0554088908.

The spelling of 222606066 in words is "two hundred twenty-two million, six hundred six thousand, sixty-six".