44221231 has 2 divisors, whose sum is σ = 44221232. Its totient is φ = 44221230.

The previous prime is 44221223. The next prime is 44221237. The reversal of 44221231 is 13212244.

44221231 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 is a cyclic number.

It is not a de Polignac number, because 44221231 - 2³ = 44221223 is a prime.

It is a super-2 number, since 2×44221231² = 3911034542310722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44221199 and 44221208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44221237) 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, 22110615 + 22110616.

It is an arithmetic number, because the mean of its divisors is an integer number (22110616).

Almost surely, 2^44221231 is an apocalyptic number.

44221231 is a deficient number, since it is larger than the sum of its proper divisors (1).

44221231 is an equidigital number, since it uses as much as digits as its factorization.

44221231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 44221231 is about 6649.9045857817. The cubic root of 44221231 is about 353.6255283425.

Adding to 44221231 its reverse (13212244), we get a palindrome (57433475).

The spelling of 44221231 in words is "forty-four million, two hundred twenty-one thousand, two hundred thirty-one".