222785212 has 12 divisors (see below), whose sum is σ = 419864536. Its totient is φ = 102823920.

The previous prime is 222785207. The next prime is 222785219. The reversal of 222785212 is 212587222.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222785219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2142114 + ... + 2142217.

Almost surely, 2^222785212 is an apocalyptic number.

It is an amenable number.

222785212 is a deficient number, since it is larger than the sum of its proper divisors (197079324).

222785212 is a wasteful number, since it uses less digits than its factorization.

222785212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284348 (or 4284346 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 222785212 is about 14925.9911563688. The cubic root of 222785212 is about 606.2179430812.

The spelling of 222785212 in words is "two hundred twenty-two million, seven hundred eighty-five thousand, two hundred twelve".