44044220 has 24 divisors (see below), whose sum is σ = 100901808. Its totient is φ = 16016000.

The previous prime is 44044207. The next prime is 44044271. The reversal of 44044220 is 2244044.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 44044192 and 44044201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99881 + ... + 100320.

It is an arithmetic number, because the mean of its divisors is an integer number (4204242).

Almost surely, 2^44044220 is an apocalyptic number.

It is an amenable number.

44044220 is an abundant number, since it is smaller than the sum of its proper divisors (56857588).

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

44044220 is a wasteful number, since it uses less digits than its factorization.

44044220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200221 (or 200219 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 44044220 is about 6636.5819515772. The cubic root of 44044220 is about 353.1530606046.

Adding to 44044220 its reverse (2244044), we get a palindrome (46288264).

The spelling of 44044220 in words is "forty-four million, forty-four thousand, two hundred twenty".