222805364 has 12 divisors (see below), whose sum is σ = 390180000. Its totient is φ = 111325368.

The previous prime is 222805361. The next prime is 222805391. The reversal of 222805364 is 463508222.

It is a self number, because there is not a number n which added to its sum of digits gives 222805364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222805361) 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, 12584 + ... + 24575.

It is an arithmetic number, because the mean of its divisors is an integer number (32515000).

Almost surely, 2^222805364 is an apocalyptic number.

It is an amenable number.

222805364 is a deficient number, since it is larger than the sum of its proper divisors (167374636).

222805364 is a wasteful number, since it uses less digits than its factorization.

222805364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38662 (or 38660 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 222805364 is about 14926.6662051511. Note that the first 3 decimals coincide. The cubic root of 222805364 is about 606.2362209785.

The spelling of 222805364 in words is "two hundred twenty-two million, eight hundred five thousand, three hundred sixty-four".