44420113 has 2 divisors, whose sum is σ = 44420114. Its totient is φ = 44420112.

The previous prime is 44420111. The next prime is 44420143. The reversal of 44420113 is 31102444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35617024 + 8803089 = 5968^2 + 2967^2 .

It is a cyclic number.

It is not a de Polignac number, because 44420113 - 2¹ = 44420111 is a prime.

Together with 44420111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (44420111) 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 as a sum of consecutive naturals, namely, 22210056 + 22210057.

It is an arithmetic number, because the mean of its divisors is an integer number (22210057).

Almost surely, 2^44420113 is an apocalyptic number.

It is an amenable number.

44420113 is a deficient number, since it is larger than the sum of its proper divisors (1).

44420113 is an equidigital number, since it uses as much as digits as its factorization.

44420113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 44420113 is about 6664.8415585068. The cubic root of 44420113 is about 354.1548712165.

Adding to 44420113 its reverse (31102444), we get a palindrome (75522557).

The spelling of 44420113 in words is "forty-four million, four hundred twenty thousand, one hundred thirteen".