222666286 has 8 divisors (see below), whose sum is σ = 334315080. Its totient is φ = 111227928.

The previous prime is 222666281. The next prime is 222666299. The reversal of 222666286 is 682666222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222666281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49936 + ... + 54211.

It is an arithmetic number, because the mean of its divisors is an integer number (41789385).

Almost surely, 2^222666286 is an apocalyptic number.

222666286 is a deficient number, since it is larger than the sum of its proper divisors (111648794).

222666286 is a wasteful number, since it uses less digits than its factorization.

222666286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105218.

The product of its digits is 165888, while the sum is 40.

The square root of 222666286 is about 14922.0067685282. The cubic root of 222666286 is about 606.1100545508.

The spelling of 222666286 in words is "two hundred twenty-two million, six hundred sixty-six thousand, two hundred eighty-six".