Search a number
-
+
182221841 is a prime number
BaseRepresentation
bin10101101110001…
…11110000010001
3110200212211101002
422313013300101
5333122044331
630025351345
74341601004
oct1267076021
9420784332
10182221841
119394aa6a
1251038555
132b9a1299
141a2b553b
1510ee69cb
hexadc7c11

182221841 has 2 divisors, whose sum is σ = 182221842. Its totient is φ = 182221840.

The previous prime is 182221811. The next prime is 182221849. The reversal of 182221841 is 148122281.

182221841 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., 128346241 + 53875600 = 11329^2 + 7340^2 .

It is a cyclic number.

It is not a de Polignac number, because 182221841 - 222 = 178027537 is a prime.

It is not a weakly prime, because it can be changed into another prime (182221849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91110920 + 91110921.

It is an arithmetic number, because the mean of its divisors is an integer number (91110921).

Almost surely, 2182221841 is an apocalyptic number.

It is an amenable number.

182221841 is a deficient number, since it is larger than the sum of its proper divisors (1).

182221841 is an equidigital number, since it uses as much as digits as its factorization.

182221841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 29.

The square root of 182221841 is about 13498.9570337860. The cubic root of 182221841 is about 566.9352708525.

The spelling of 182221841 in words is "one hundred eighty-two million, two hundred twenty-one thousand, eight hundred forty-one".