44221211 has 2 divisors, whose sum is σ = 44221212. Its totient is φ = 44221210.

The previous prime is 44221193. The next prime is 44221217. The reversal of 44221211 is 11212244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44221211 - 2⁶ = 44221147 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44221211.

It is not a weakly prime, because it can be changed into another prime (44221217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22110605 + 22110606.

It is an arithmetic number, because the mean of its divisors is an integer number (22110606).

Almost surely, 2^44221211 is an apocalyptic number.

44221211 is a deficient number, since it is larger than the sum of its proper divisors (1).

44221211 is an equidigital number, since it uses as much as digits as its factorization.

44221211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128, while the sum is 17.

The square root of 44221211 is about 6649.9030820005. The cubic root of 44221211 is about 353.6254750309.

Adding to 44221211 its reverse (11212244), we get a palindrome (55433455).

The spelling of 44221211 in words is "forty-four million, two hundred twenty-one thousand, two hundred eleven".