44023220 has 12 divisors (see below), whose sum is σ = 92448804. Its totient is φ = 17609280.

The previous prime is 44023211. The next prime is 44023241. The reversal of 44023220 is 2232044.

It can be written as a sum of positive squares in 2 ways, for example, as 27604516 + 16418704 = 5254^2 + 4052^2 .

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 3 ways as a sum of consecutive naturals, for example, 1100561 + ... + 1100600.

It is an arithmetic number, because the mean of its divisors is an integer number (7704067).

Almost surely, 2^44023220 is an apocalyptic number.

It is an amenable number.

44023220 is an abundant number, since it is smaller than the sum of its proper divisors (48425584).

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

44023220 is a wasteful number, since it uses less digits than its factorization.

44023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201170 (or 2201168 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 44023220 is about 6634.9996232102. Note that the first 3 decimals coincide. The cubic root of 44023220 is about 353.0969246481.

Adding to 44023220 its reverse (2232044), we get a palindrome (46255264).

The spelling of 44023220 in words is "forty-four million, twenty-three thousand, two hundred twenty".