222442300 has 36 divisors (see below), whose sum is σ = 487234440. Its totient is φ = 88141120.

The previous prime is 222442289. The next prime is 222442307. The reversal of 222442300 is 3244222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222442307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306 + ... + 21094.

It is an arithmetic number, because the mean of its divisors is an integer number (13534290).

Almost surely, 2^222442300 is an apocalyptic number.

222442300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222442300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243617220).

222442300 is an abundant number, since it is smaller than the sum of its proper divisors (264792140).

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

222442300 is a wasteful number, since it uses less digits than its factorization.

222442300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20910 (or 20903 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 222442300 is about 14914.4996563747. The cubic root of 222442300 is about 605.9067522366.

Adding to 222442300 its reverse (3244222), we get a palindrome (225686522).

The spelling of 222442300 in words is "two hundred twenty-two million, four hundred forty-two thousand, three hundred".