44010221 has 2 divisors, whose sum is σ = 44010222. Its totient is φ = 44010220.

The previous prime is 44010217. The next prime is 44010227. The reversal of 44010221 is 12201044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43744996 + 265225 = 6614^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 44010221 - 2² = 44010217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44010196 and 44010205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44010227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22005110 + 22005111.

It is an arithmetic number, because the mean of its divisors is an integer number (22005111).

Almost surely, 2^44010221 is an apocalyptic number.

It is an amenable number.

44010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

44010221 is an equidigital number, since it uses as much as digits as its factorization.

44010221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 44010221 is about 6634.0199728370. The cubic root of 44010221 is about 353.0621675452.

Adding to 44010221 its reverse (12201044), we get a palindrome (56211265).

The spelling of 44010221 in words is "forty-four million, ten thousand, two hundred twenty-one".