222210219988 has 12 divisors (see below), whose sum is σ = 392718062772. Its totient is φ = 110005059200.

The previous prime is 222210219911. The next prime is 222210219989. The reversal of 222210219988 is 889912012222.

It can be written as a sum of positive squares in 2 ways, for example, as 166008983364 + 56201236624 = 407442^2 + 237068^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222210219989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275012245 + ... + 275013052.

It is an arithmetic number, because the mean of its divisors is an integer number (32726505231).

Almost surely, 2^222210219988 is an apocalyptic number.

It is an amenable number.

222210219988 is a deficient number, since it is larger than the sum of its proper divisors (170507842784).

222210219988 is a wasteful number, since it uses less digits than its factorization.

222210219988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550025402 (or 550025400 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 222210219988 in words is "two hundred twenty-two billion, two hundred ten million, two hundred nineteen thousand, nine hundred eighty-eight".