44221223 has 2 divisors, whose sum is σ = 44221224. Its totient is φ = 44221222.

The previous prime is 44221217. The next prime is 44221231. The reversal of 44221223 is 32212244.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44221223 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 44221195 and 44221204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44221823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22110611 + 22110612.

It is an arithmetic number, because the mean of its divisors is an integer number (22110612).

Almost surely, 2^44221223 is an apocalyptic number.

44221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

44221223 is an equidigital number, since it uses as much as digits as its factorization.

44221223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 20.

The square root of 44221223 is about 6649.9039842692. The cubic root of 44221223 is about 353.6255070178.

Adding to 44221223 its reverse (32212244), we get a palindrome (76433467).

It can be divided in two parts, 44221 and 223, that added together give a palindrome (44444).

The spelling of 44221223 in words is "forty-four million, two hundred twenty-one thousand, two hundred twenty-three".