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44244480221 is a prime number
BaseRepresentation
bin101001001101001011…
…010011000011011101
311020012110210110202122
4221031023103003131
51211103041331341
632154200432325
73124263606464
oct511513230335
9136173713678
1044244480221
1117844945937
1286a94786a5
134231533116
1421da1a19db
15123e45094b
hexa4d2d30dd

44244480221 has 2 divisors, whose sum is σ = 44244480222. Its totient is φ = 44244480220.

The previous prime is 44244480197. The next prime is 44244480229. The reversal of 44244480221 is 12208444244.

44244480221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29283765625 + 14960714596 = 171125^2 + 122314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44244480221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44244480229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22122240110 + 22122240111.

It is an arithmetic number, because the mean of its divisors is an integer number (22122240111).

Almost surely, 244244480221 is an apocalyptic number.

It is an amenable number.

44244480221 is a deficient number, since it is larger than the sum of its proper divisors (1).

44244480221 is an equidigital number, since it uses as much as digits as its factorization.

44244480221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65536, while the sum is 35.

The spelling of 44244480221 in words is "forty-four billion, two hundred forty-four million, four hundred eighty thousand, two hundred twenty-one".