44020224 has 120 divisors (see below), whose sum is σ = 130702572. Its totient is φ = 14254080.

The previous prime is 44020219. The next prime is 44020237. The reversal of 44020224 is 42202044.

44020224 is a `hidden beast` number, since 440 + 2 + 0 + 224 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36000000 + 8020224 = 6000^2 + 2832^2 .

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 44020197 and 44020206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188812 + ... + 189044.

Almost surely, 2^44020224 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 44020224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65351286).

44020224 is an abundant number, since it is smaller than the sum of its proper divisors (86682348).

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

44020224 is a wasteful number, since it uses less digits than its factorization.

44020224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 44020224 is about 6634.7738469371. The cubic root of 44020224 is about 353.0889144633.

Adding to 44020224 its reverse (42202044), we get a palindrome (86222268).

It can be divided in two parts, 44020 and 224, that added together give a palindrome (44244).

The spelling of 44020224 in words is "forty-four million, twenty thousand, two hundred twenty-four".