222255266 has 4 divisors (see below), whose sum is σ = 333382902. Its totient is φ = 111127632.

The previous prime is 222255259. The next prime is 222255277. The reversal of 222255266 is 662552222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 160554241 + 61701025 = 12671^2 + 7855^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55563815 + ... + 55563818.

Almost surely, 2^222255266 is an apocalyptic number.

222255266 is a deficient number, since it is larger than the sum of its proper divisors (111127636).

222255266 is a wasteful number, since it uses less digits than its factorization.

222255266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111127635.

The product of its digits is 28800, while the sum is 32.

The square root of 222255266 is about 14908.2281308008. The cubic root of 222255266 is about 605.7368850540.

The spelling of 222255266 in words is "two hundred twenty-two million, two hundred fifty-five thousand, two hundred sixty-six".