222750266 has 8 divisors (see below), whose sum is σ = 334202484. Its totient is φ = 111349440.

The previous prime is 222750263. The next prime is 222750289. The reversal of 222750266 is 662057222.

It can be written as a sum of positive squares in 2 ways, for example, as 208196041 + 14554225 = 14429^2 + 3815^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222750263) 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, 956 + ... + 21128.

Almost surely, 2^222750266 is an apocalyptic number.

222750266 is a deficient number, since it is larger than the sum of its proper divisors (111452218).

222750266 is a wasteful number, since it uses less digits than its factorization.

222750266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25696.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 222750266 is about 14924.8204679319. The cubic root of 222750266 is about 606.1862443884.

The spelling of 222750266 in words is "two hundred twenty-two million, seven hundred fifty thousand, two hundred sixty-six".