44220404 has 12 divisors (see below), whose sum is σ = 77525700. Its totient is φ = 22070208.

The previous prime is 44220401. The next prime is 44220409. The reversal of 44220404 is 40402244.

It can be written as a sum of positive squares in 2 ways, for example, as 2592100 + 41628304 = 1610^2 + 6452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44220401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7439 + ... + 11990.

It is an arithmetic number, because the mean of its divisors is an integer number (6460475).

Almost surely, 2^44220404 is an apocalyptic number.

It is an amenable number.

44220404 is a deficient number, since it is larger than the sum of its proper divisors (33305296).

44220404 is a wasteful number, since it uses less digits than its factorization.

44220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20002 (or 20000 counting only the distinct ones).

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

The square root of 44220404 is about 6649.8424041476. The cubic root of 44220404 is about 353.6233238950.

Adding to 44220404 its reverse (40402244), we get a palindrome (84622648).

The spelling of 44220404 in words is "forty-four million, two hundred twenty thousand, four hundred four".