222804822 has 16 divisors (see below), whose sum is σ = 471822192. Its totient is φ = 69899520.

The previous prime is 222804821. The next prime is 222804859. The reversal of 222804822 is 228408222.

It is a self number, because there is not a number n which added to its sum of digits gives 222804822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222804821) 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 7 ways as a sum of consecutive naturals, for example, 1092079 + ... + 1092282.

It is an arithmetic number, because the mean of its divisors is an integer number (29488887).

Almost surely, 2^222804822 is an apocalyptic number.

222804822 is an abundant number, since it is smaller than the sum of its proper divisors (249017370).

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

222804822 is a wasteful number, since it uses less digits than its factorization.

222804822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184383.

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 222804822 is about 14926.6480497130. The cubic root of 222804822 is about 606.2357293980.

The spelling of 222804822 in words is "two hundred twenty-two million, eight hundred four thousand, eight hundred twenty-two".