44223857 has 2 divisors, whose sum is σ = 44223858. Its totient is φ = 44223856.

The previous prime is 44223847. The next prime is 44223859. The reversal of 44223857 is 75832244.

44223857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42523441 + 1700416 = 6521^2 + 1304^2 .

It is a cyclic number.

It is not a de Polignac number, because 44223857 - 2⁸ = 44223601 is a prime.

Together with 44223859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44223859) 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 as a sum of consecutive naturals, namely, 22111928 + 22111929.

It is an arithmetic number, because the mean of its divisors is an integer number (22111929).

Almost surely, 2^44223857 is an apocalyptic number.

It is an amenable number.

44223857 is a deficient number, since it is larger than the sum of its proper divisors (1).

44223857 is an equidigital number, since it uses as much as digits as its factorization.

44223857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 35.

The square root of 44223857 is about 6650.1020292925. The cubic root of 44223857 is about 353.6325280138.

The spelling of 44223857 in words is "forty-four million, two hundred twenty-three thousand, eight hundred fifty-seven".