222254666 has 16 divisors (see below), whose sum is σ = 363031200. Its totient is φ = 101647728.

The previous prime is 222254663. The next prime is 222254677. The reversal of 222254666 is 666452222.

222254666 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 not an unprimeable number, because it can be changed into a prime (222254663) 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, 99740 + ... + 101943.

It is an arithmetic number, because the mean of its divisors is an integer number (22689450).

Almost surely, 2^222254666 is an apocalyptic number.

222254666 is a deficient number, since it is larger than the sum of its proper divisors (140776534).

222254666 is a wasteful number, since it uses less digits than its factorization.

222254666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201733.

The product of its digits is 69120, while the sum is 35.

The square root of 222254666 is about 14908.2080076715. The cubic root of 222254666 is about 605.7363399713.

The spelling of 222254666 in words is "two hundred twenty-two million, two hundred fifty-four thousand, six hundred sixty-six".