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2222340401 is a prime number
BaseRepresentation
bin1000010001110110…
…0011100100110001
312201212201120220202
42010131203210301
514022404343101
61004304244545
7106033403351
oct20435434461
95655646822
102222340401
11a404a9266
12520310755
13295554128
14171214b61
15d018136b
hex84763931

2222340401 has 2 divisors, whose sum is σ = 2222340402. Its totient is φ = 2222340400.

The previous prime is 2222340397. The next prime is 2222340427. The reversal of 2222340401 is 1040432222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2222179600 + 160801 = 47140^2 + 401^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222340401 - 22 = 2222340397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2222343401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111170200 + 1111170201.

It is an arithmetic number, because the mean of its divisors is an integer number (1111170201).

Almost surely, 22222340401 is an apocalyptic number.

It is an amenable number.

2222340401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222340401 is an equidigital number, since it uses as much as digits as its factorization.

2222340401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2222340401 is about 47141.7055376659. The cubic root of 2222340401 is about 1304.9790126932.

Adding to 2222340401 its reverse (1040432222), we get a palindrome (3262772623).

The spelling of 2222340401 in words is "two billion, two hundred twenty-two million, three hundred forty thousand, four hundred one".