44022012 has 48 divisors (see below), whose sum is σ = 110194560. Its totient is φ = 13635648.

The previous prime is 44022001. The next prime is 44022049. The reversal of 44022012 is 21022044.

It is a junction number, because it is equal to n+sod(n) for n = 44021982 and 44022000.

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 15 ways as a sum of consecutive naturals, for example, 10263 + ... + 13905.

It is an arithmetic number, because the mean of its divisors is an integer number (2295720).

Almost surely, 2^44022012 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 44022012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55097280).

44022012 is an abundant number, since it is smaller than the sum of its proper divisors (66172548).

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

44022012 is a wasteful number, since it uses less digits than its factorization.

44022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 44022012 is about 6634.9085901767. The cubic root of 44022012 is about 353.0936949511.

Adding to 44022012 its reverse (21022044), we get a palindrome (65044056).

The spelling of 44022012 in words is "forty-four million, twenty-two thousand, twelve".