2223444122244 has 72 divisors (see below), whose sum is σ = 5628127148280. Its totient is φ = 740125900800.

The previous prime is 2223444122219. The next prime is 2223444122267. The reversal of 2223444122244 is 4422214443222.

2223444122244 is a `hidden beast` number, since 2 + 2 + 234 + 4 + 412 + 2 + 2 + 4 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22707476100 + 2200736646144 = 150690^2 + 1483488^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 2223444122199 and 2223444122208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214426692 + ... + 214437060.

It is an arithmetic number, because the mean of its divisors is an integer number (78168432615).

Almost surely, 2^{2223444122244} is an apocalyptic number.

It is an amenable number.

2223444122244 is an abundant number, since it is smaller than the sum of its proper divisors (3404683026036).

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

2223444122244 is a wasteful number, since it uses less digits than its factorization.

2223444122244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18021 (or 18016 counting only the distinct ones).

The product of its digits is 196608, while the sum is 36.

Adding to 2223444122244 its reverse (4422214443222), we get a palindrome (6645658565466).

The spelling of 2223444122244 in words is "two trillion, two hundred twenty-three billion, four hundred forty-four million, one hundred twenty-two thousand, two hundred forty-four".