44013312222 has 144 divisors (see below), whose sum is σ = 103981857840. Its totient is φ = 12406507520.

The previous prime is 44013312221. The next prime is 44013312229. The reversal of 44013312222 is 22221331044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44013312192 and 44013312201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44013312221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18672268 + ... + 18674624.

It is an arithmetic number, because the mean of its divisors is an integer number (722096235).

Almost surely, 2^44013312222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44013312222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51990928920).

44013312222 is an abundant number, since it is smaller than the sum of its proper divisors (59968545618).

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

44013312222 is a wasteful number, since it uses less digits than its factorization.

44013312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 44013312222 its reverse (22221331044), we get a palindrome (66234643266).

The spelling of 44013312222 in words is "forty-four billion, thirteen million, three hundred twelve thousand, two hundred twenty-two".