44421313 has 4 divisors (see below), whose sum is σ = 44542720. Its totient is φ = 44299908.

The previous prime is 44421287. The next prime is 44421347. The reversal of 44421313 is 31312444.

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 44421313 - 2⁵ = 44421281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44421613) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60153 + ... + 60886.

It is an arithmetic number, because the mean of its divisors is an integer number (11135680).

Almost surely, 2^44421313 is an apocalyptic number.

It is an amenable number.

44421313 is a deficient number, since it is larger than the sum of its proper divisors (121407).

44421313 is a wasteful number, since it uses less digits than its factorization.

44421313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121406.

The product of its digits is 1152, while the sum is 22.

The square root of 44421313 is about 6664.9315825446. The cubic root of 44421313 is about 354.1580603276.

Adding to 44421313 its reverse (31312444), we get a palindrome (75733757).

The spelling of 44421313 in words is "forty-four million, four hundred twenty-one thousand, three hundred thirteen".