222120304 has 40 divisors (see below), whose sum is σ = 494600288. Its totient is φ = 94659840.

The previous prime is 222120281. The next prime is 222120307. The reversal of 222120304 is 403021222.

222120304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14794 + ... + 25750.

Almost surely, 2^222120304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222120304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247300144).

222120304 is an abundant number, since it is smaller than the sum of its proper divisors (272479984).

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

222120304 is a wasteful number, since it uses less digits than its factorization.

222120304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11153 (or 11147 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222120304 is about 14903.7010168616. The cubic root of 222120304 is about 605.6142512673.

Adding to 222120304 its reverse (403021222), we get a palindrome (625141526).

The spelling of 222120304 in words is "two hundred twenty-two million, one hundred twenty thousand, three hundred four".