222864306 has 16 divisors (see below), whose sum is σ = 509404224. Its totient is φ = 63675504.

The previous prime is 222864289. The next prime is 222864331. The reversal of 222864306 is 603468222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2653105 + ... + 2653188.

It is an arithmetic number, because the mean of its divisors is an integer number (31837764).

Almost surely, 2^222864306 is an apocalyptic number.

222864306 is an abundant number, since it is smaller than the sum of its proper divisors (286539918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222864306 is a wasteful number, since it uses less digits than its factorization.

222864306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306305.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 222864306 is about 14928.6404605376. The cubic root of 222864306 is about 606.2896751446.

The spelling of 222864306 in words is "two hundred twenty-two million, eight hundred sixty-four thousand, three hundred six".