44082221 has 2 divisors, whose sum is σ = 44082222. Its totient is φ = 44082220.

The previous prime is 44082197. The next prime is 44082229. The reversal of 44082221 is 12228044.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40322500 + 3759721 = 6350^2 + 1939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44082221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44082229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22041110 + 22041111.

It is an arithmetic number, because the mean of its divisors is an integer number (22041111).

Almost surely, 2^44082221 is an apocalyptic number.

It is an amenable number.

44082221 is a deficient number, since it is larger than the sum of its proper divisors (1).

44082221 is an equidigital number, since it uses as much as digits as its factorization.

44082221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 44082221 is about 6639.4443291589. Note that the first 3 decimals coincide. The cubic root of 44082221 is about 353.2545972852.

The spelling of 44082221 in words is "forty-four million, eighty-two thousand, two hundred twenty-one".