44220100 has 18 divisors (see below), whose sum is σ = 95957834. Its totient is φ = 17688000.

The previous prime is 44220089. The next prime is 44220109. The reversal of 44220100 is 102244.

44220100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2022084 + 42198016 = 1422^2 + 6496^2 .

It is not an unprimeable number, because it can be changed into a prime (44220109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221001 + ... + 221200.

Almost surely, 2^44220100 is an apocalyptic number.

It is an amenable number.

44220100 is an abundant number, since it is smaller than the sum of its proper divisors (51737734).

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

44220100 is a wasteful number, since it uses less digits than its factorization.

44220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442215 (or 442208 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 44220100 is about 6649.8195464238. The cubic root of 44220100 is about 353.6225135471.

Adding to 44220100 its reverse (102244), we get a palindrome (44322344).

The spelling of 44220100 in words is "forty-four million, two hundred twenty thousand, one hundred".