222224440 has 16 divisors (see below), whose sum is σ = 500005080. Its totient is φ = 88889760.

The previous prime is 222224423. The next prime is 222224441. The reversal of 222224440 is 44422222.

It is a happy number.

222224440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222224441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777766 + ... + 2777845.

Almost surely, 2^222224440 is an apocalyptic number.

222224440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222224440 is an abundant number, since it is smaller than the sum of its proper divisors (277780640).

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

222224440 is a wasteful number, since it uses less digits than its factorization.

222224440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555622 (or 5555618 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 222224440 is about 14907.1942363411. The cubic root of 222224440 is about 605.7088792555.

Adding to 222224440 its reverse (44422222), we get a palindrome (266646662).

It can be divided in two parts, 22222 and 4440, that added together give a palindrome (26662).

The spelling of 222224440 in words is "two hundred twenty-two million, two hundred twenty-four thousand, four hundred forty".