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2242530217 is a prime number
BaseRepresentation
bin1000010110101010…
…0100101110101001
312210021201100010201
42011222210232221
514043041431332
61010305112201
7106400122654
oct20552445651
95707640121
102242530217
11a50939164
12527028661
132997a2a75
14173b8c89b
15d1d1d5e7
hex85aa4ba9

2242530217 has 2 divisors, whose sum is σ = 2242530218. Its totient is φ = 2242530216.

The previous prime is 2242530209. The next prime is 2242530239. The reversal of 2242530217 is 7120352422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172651536 + 1069878681 = 34244^2 + 32709^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242530217 - 23 = 2242530209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2242530287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121265108 + 1121265109.

It is an arithmetic number, because the mean of its divisors is an integer number (1121265109).

Almost surely, 22242530217 is an apocalyptic number.

It is an amenable number.

2242530217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242530217 is an equidigital number, since it uses as much as digits as its factorization.

2242530217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2242530217 is about 47355.3610164678. The cubic root of 2242530217 is about 1308.9189879603.

Adding to 2242530217 its reverse (7120352422), we get a palindrome (9362882639).

The spelling of 2242530217 in words is "two billion, two hundred forty-two million, five hundred thirty thousand, two hundred seventeen".