222352666 has 8 divisors (see below), whose sum is σ = 333756000. Its totient is φ = 111100668.

The previous prime is 222352643. The next prime is 222352679. The reversal of 222352666 is 666253222.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34086 + ... + 40081.

It is an arithmetic number, because the mean of its divisors is an integer number (41719500).

Almost surely, 2^222352666 is an apocalyptic number.

222352666 is a deficient number, since it is larger than the sum of its proper divisors (111403334).

222352666 is a wasteful number, since it uses less digits than its factorization.

222352666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75668.

The product of its digits is 51840, while the sum is 34.

The square root of 222352666 is about 14911.4944254424. The cubic root of 222352666 is about 605.8253571328.

The spelling of 222352666 in words is "two hundred twenty-two million, three hundred fifty-two thousand, six hundred sixty-six".