222864288 has 48 divisors (see below), whose sum is σ = 619436160. Its totient is φ = 69917696.

The previous prime is 222864251. The next prime is 222864289. The reversal of 222864288 is 882468222.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (222864289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66648 + ... + 69911.

It is an arithmetic number, because the mean of its divisors is an integer number (12904920).

Almost surely, 2^222864288 is an apocalyptic number.

It is an amenable number.

222864288 is an abundant number, since it is smaller than the sum of its proper divisors (396571872).

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

222864288 is a wasteful number, since it uses less digits than its factorization.

222864288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136589 (or 136581 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 222864288 is about 14928.6398576696. The cubic root of 222864288 is about 606.2896588220.

The spelling of 222864288 in words is "two hundred twenty-two million, eight hundred sixty-four thousand, two hundred eighty-eight".