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632222081 is a prime number
BaseRepresentation
bin100101101011101…
…111000110000001
31122001122012122122
4211223233012001
52243322101311
6142422414025
721444541031
oct4553570601
91561565578
10632222081
112a4966897
12157891315
13a0c9b10a
145dd738c1
153a7850db
hex25aef181

632222081 has 2 divisors, whose sum is σ = 632222082. Its totient is φ = 632222080.

The previous prime is 632222057. The next prime is 632222119. The reversal of 632222081 is 180222236.

632222081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316840000 + 315382081 = 17800^2 + 17759^2 .

It is a cyclic number.

It is not a de Polignac number, because 632222081 - 226 = 565113217 is a prime.

It is a super-2 number, since 2×6322220812 = 799409519407941122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 632222081.

It is not a weakly prime, because it can be changed into another prime (632222021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316111040 + 316111041.

It is an arithmetic number, because the mean of its divisors is an integer number (316111041).

Almost surely, 2632222081 is an apocalyptic number.

It is an amenable number.

632222081 is a deficient number, since it is larger than the sum of its proper divisors (1).

632222081 is an equidigital number, since it uses as much as digits as its factorization.

632222081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 632222081 is about 25144.0267459291. The cubic root of 632222081 is about 858.2685920021.

The spelling of 632222081 in words is "six hundred thirty-two million, two hundred twenty-two thousand, eighty-one".