222003444 has 48 divisors (see below), whose sum is σ = 561657600. Its totient is φ = 67843200.

The previous prime is 222003443. The next prime is 222003491. The reversal of 222003444 is 444300222.

222003444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222003444² = 98571058295722272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222003444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222003443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18469 + ... + 28019.

It is an arithmetic number, because the mean of its divisors is an integer number (11701200).

Almost surely, 2^222003444 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 222003444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280828800).

222003444 is an abundant number, since it is smaller than the sum of its proper divisors (339654156).

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

222003444 is a wasteful number, since it uses less digits than its factorization.

222003444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9720 (or 9718 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 222003444 is about 14899.7799983758. The cubic root of 222003444 is about 605.5080258044.

Adding to 222003444 its reverse (444300222), we get a palindrome (666303666).

The spelling of 222003444 in words is "two hundred twenty-two million, three thousand, four hundred forty-four".