44421433 has 4 divisors (see below), whose sum is σ = 50767360. Its totient is φ = 38075508.

The previous prime is 44421407. The next prime is 44421457. The reversal of 44421433 is 33412444.

44421433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44421433 - 2²¹ = 42324281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44421398 and 44421407.

It is not an unprimeable number, because it can be changed into a prime (44421133) 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 3 ways as a sum of consecutive naturals, for example, 3172953 + ... + 3172966.

It is an arithmetic number, because the mean of its divisors is an integer number (12691840).

Almost surely, 2^44421433 is an apocalyptic number.

It is an amenable number.

44421433 is a deficient number, since it is larger than the sum of its proper divisors (6345927).

44421433 is an equidigital number, since it uses as much as digits as its factorization.

44421433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345926.

The product of its digits is 4608, while the sum is 25.

The square root of 44421433 is about 6664.9405848815. The cubic root of 44421433 is about 354.1583792355.

Adding to 44421433 its reverse (33412444), we get a palindrome (77833877).

The spelling of 44421433 in words is "forty-four million, four hundred twenty-one thousand, four hundred thirty-three".