2313222444 has 72 divisors (see below), whose sum is σ = 6333726672. Its totient is φ = 707621760.

The previous prime is 2313222437. The next prime is 2313222479. The reversal of 2313222444 is 4442223132.

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

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, 66679 + ... + 95249.

It is an arithmetic number, because the mean of its divisors is an integer number (87968426).

Almost surely, 2^2313222444 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 2313222444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3166863336).

2313222444 is an abundant number, since it is smaller than the sum of its proper divisors (4020504228).

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

2313222444 is a wasteful number, since it uses less digits than its factorization.

2313222444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28767 (or 28762 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 2313222444 is about 48095.9711826261. The cubic root of 2313222444 is about 1322.5308126606.

Adding to 2313222444 its reverse (4442223132), we get a palindrome (6755445576).

The spelling of 2313222444 in words is "two billion, three hundred thirteen million, two hundred twenty-two thousand, four hundred forty-four".