44534226221 has 2 divisors, whose sum is σ = 44534226222. Its totient is φ = 44534226220.

The previous prime is 44534226173. The next prime is 44534226223. The reversal of 44534226221 is 12262243544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31947630121 + 12586596100 = 178739^2 + 112190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44534226221 is a prime.

It is a Sophie Germain prime.

Together with 44534226223, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44534226223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22267113110 + 22267113111.

It is an arithmetic number, because the mean of its divisors is an integer number (22267113111).

Almost surely, 2^44534226221 is an apocalyptic number.

It is an amenable number.

44534226221 is a deficient number, since it is larger than the sum of its proper divisors (1).

44534226221 is an equidigital number, since it uses as much as digits as its factorization.

44534226221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 35.

Adding to 44534226221 its reverse (12262243544), we get a palindrome (56796469765).

The spelling of 44534226221 in words is "forty-four billion, five hundred thirty-four million, two hundred twenty-six thousand, two hundred twenty-one".