222234444 has 72 divisors (see below), whose sum is σ = 574246400. Its totient is φ = 72448992.

The previous prime is 222234437. The next prime is 222234461. The reversal of 222234444 is 444432222.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 479757 + ... + 480219.

Almost surely, 2^222234444 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 222234444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287123200).

222234444 is an abundant number, since it is smaller than the sum of its proper divisors (352011956).

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

222234444 is a wasteful number, since it uses less digits than its factorization.

222234444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 734 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 222234444 is about 14907.5297752512. The cubic root of 222234444 is about 605.7179682959.

Adding to 222234444 its reverse (444432222), we get a palindrome (666666666).

It can be divided in two parts, 2 and 22234444, that added together give a triangular number (22234446 = T₆₆₆₈).

The spelling of 222234444 in words is "two hundred twenty-two million, two hundred thirty-four thousand, four hundred forty-four".