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2225312311 is a prime number
BaseRepresentation
bin1000010010100011…
…1001001000110111
312202002022120121111
42010220321020313
514024134443221
61004452055451
7106100561665
oct20450711067
95662276544
102225312311
11a42149092
12521304587
13296054a61
14171789c35
15d056bbe1
hex84a39237

2225312311 has 2 divisors, whose sum is σ = 2225312312. Its totient is φ = 2225312310.

The previous prime is 2225312251. The next prime is 2225312333. The reversal of 2225312311 is 1132135222.

It is an a-pointer prime, because the next prime (2225312333) can be obtained adding 2225312311 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2225312311 - 225 = 2191757879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2225318311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112656155 + 1112656156.

It is an arithmetic number, because the mean of its divisors is an integer number (1112656156).

Almost surely, 22225312311 is an apocalyptic number.

2225312311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225312311 is an equidigital number, since it uses as much as digits as its factorization.

2225312311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 2225312311 is about 47173.2160341014. The cubic root of 2225312311 is about 1305.5604646715.

Adding to 2225312311 its reverse (1132135222), we get a palindrome (3357447533).

The spelling of 2225312311 in words is "two billion, two hundred twenty-five million, three hundred twelve thousand, three hundred eleven".