222442044440 has 256 divisors, whose sum is σ = 638934912000. Its totient is φ = 69092352000.

The previous prime is 222442044413. The next prime is 222442044467. The reversal of 222442044440 is 44440244222.

It is an interprime number because it is at equal distance from previous prime (222442044413) and next prime (222442044467).

It is a junction number, because it is equal to n+sod(n) for n = 222442044397 and 222442044406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46330040 + ... + 46334840.

It is an arithmetic number, because the mean of its divisors is an integer number (2495839500).

Almost surely, 2^222442044440 is an apocalyptic number.

222442044440 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 222442044440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319467456000).

222442044440 is an abundant number, since it is smaller than the sum of its proper divisors (416492867560).

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

222442044440 is a wasteful number, since it uses less digits than its factorization.

222442044440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151 (or 5133 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 222442044440 its reverse (44440244222), we get a palindrome (266882288662).

The spelling of 222442044440 in words is "two hundred twenty-two billion, four hundred forty-two million, forty-four thousand, four hundred forty".