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2255122211 is a prime number
BaseRepresentation
bin1000011001101010…
…0110111100100011
312211011102002002212
42012122212330203
514104302402321
61011435032335
7106612136216
oct20632467443
95734362085
102255122211
11a57a59771
1252b29b6ab
1329c291354
1417570977d
15d2ea955b
hex866a6f23

2255122211 has 2 divisors, whose sum is σ = 2255122212. Its totient is φ = 2255122210.

The previous prime is 2255122189. The next prime is 2255122231. The reversal of 2255122211 is 1122215522.

2255122211 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2255122211 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2255122231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127561105 + 1127561106.

It is an arithmetic number, because the mean of its divisors is an integer number (1127561106).

Almost surely, 22255122211 is an apocalyptic number.

2255122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255122211 is an equidigital number, since it uses as much as digits as its factorization.

2255122211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 800, while the sum is 23.

The square root of 2255122211 is about 47488.1270529803. The cubic root of 2255122211 is about 1311.3643131429.

Adding to 2255122211 its reverse (1122215522), we get a palindrome (3377337733).

The spelling of 2255122211 in words is "two billion, two hundred fifty-five million, one hundred twenty-two thousand, two hundred eleven".