Search a number
-
+
2222219999 is a prime number
BaseRepresentation
bin1000010001110100…
…0110001011011111
312201212111110202102
42010131012023133
514022342014444
61004301515315
7106032362336
oct20435061337
95655443672
102222219999
11a4042685a
12520272b3b
1329551139c
141711c2d1d
15d015a84e
hex847462df

2222219999 has 2 divisors, whose sum is σ = 2222220000. Its totient is φ = 2222219998.

The previous prime is 2222219971. The next prime is 2222220047. The reversal of 2222219999 is 9999122222.

2222219999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222219999 - 220 = 2221171423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222219929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111109999 + 1111110000.

It is an arithmetic number, because the mean of its divisors is an integer number (1111110000).

Almost surely, 22222219999 is an apocalyptic number.

2222219999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222219999 is an equidigital number, since it uses as much as digits as its factorization.

2222219999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 47.

The square root of 2222219999 is about 47140.4284982646. The cubic root of 2222219999 is about 1304.9554452084.

The spelling of 2222219999 in words is "two billion, two hundred twenty-two million, two hundred nineteen thousand, nine hundred ninety-nine".