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22182137 is a prime number
BaseRepresentation
bin101010010011…
…1100011111001
31112201222011122
41110213203321
521134312022
62111235025
7356354645
oct124474371
945658148
1022182137
111158084a
127518a75
134798733
142d35c25
151e32742
hex15278f9

22182137 has 2 divisors, whose sum is σ = 22182138. Its totient is φ = 22182136.

The previous prime is 22182133. The next prime is 22182169. The reversal of 22182137 is 73128122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15912121 + 6270016 = 3989^2 + 2504^2 .

It is a cyclic number.

It is not a de Polignac number, because 22182137 - 22 = 22182133 is a prime.

It is not a weakly prime, because it can be changed into another prime (22182133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11091068 + 11091069.

It is an arithmetic number, because the mean of its divisors is an integer number (11091069).

Almost surely, 222182137 is an apocalyptic number.

It is an amenable number.

22182137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22182137 is an equidigital number, since it uses as much as digits as its factorization.

22182137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 22182137 is about 4709.7916089780. The cubic root of 22182137 is about 280.9750740925.

The spelling of 22182137 in words is "twenty-two million, one hundred eighty-two thousand, one hundred thirty-seven".