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2242820197 is a prime number
BaseRepresentation
bin1000010110101110…
…1011100001100101
312210022021001220201
42011223223201211
514043130221242
61010315230501
7106402441252
oct20553534145
95708231821
102242820197
11a51017012
12527148431
13299874a57
14173c26429
15d1d794b7
hex85aeb865

2242820197 has 2 divisors, whose sum is σ = 2242820198. Its totient is φ = 2242820196.

The previous prime is 2242820143. The next prime is 2242820219. The reversal of 2242820197 is 7910282422.

2242820197 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., 1704533796 + 538286401 = 41286^2 + 23201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242820197 - 227 = 2108602469 is a prime.

It is a super-2 number, since 2×22428201972 = 10060484872142237618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2242820117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121410098 + 1121410099.

It is an arithmetic number, because the mean of its divisors is an integer number (1121410099).

Almost surely, 22242820197 is an apocalyptic number.

It is an amenable number.

2242820197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242820197 is an equidigital number, since it uses as much as digits as its factorization.

2242820197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2242820197 is about 47358.4226616554. The cubic root of 2242820197 is about 1308.9754039923.

The spelling of 2242820197 in words is "two billion, two hundred forty-two million, eight hundred twenty thousand, one hundred ninety-seven".