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22241454709 is a prime number
BaseRepresentation
bin10100101101101100…
…011010101001110101
32010102001012222001211
4110231230122221311
5331022303022314
614114555321421
71415110150165
oct245554325165
963361188054
1022241454709
1194837a3131
124388750271
132135b91cb6
14110dc745a5
158a29259c4
hex52db1aa75

22241454709 has 2 divisors, whose sum is σ = 22241454710. Its totient is φ = 22241454708.

The previous prime is 22241454691. The next prime is 22241454749. The reversal of 22241454709 is 90745414222.

It is an a-pointer prime, because the next prime (22241454749) can be obtained adding 22241454709 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22239756900 + 1697809 = 149130^2 + 1303^2 .

It is a cyclic number.

It is not a de Polignac number, because 22241454709 - 27 = 22241454581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22241454749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120727354 + 11120727355.

It is an arithmetic number, because the mean of its divisors is an integer number (11120727355).

Almost surely, 222241454709 is an apocalyptic number.

It is an amenable number.

22241454709 is a deficient number, since it is larger than the sum of its proper divisors (1).

22241454709 is an equidigital number, since it uses as much as digits as its factorization.

22241454709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 22241454709 in words is "twenty-two billion, two hundred forty-one million, four hundred fifty-four thousand, seven hundred nine".