Search a number
-
+
2222231101 is a prime number
BaseRepresentation
bin1000010001110100…
…1000111000111101
312201212112000222121
42010131020320331
514022342343401
61004302042541
7106032436606
oct20435107075
95655460877
102222231101
11a40434132
12520279451
1329551645c
141711c6dad
15d015dca1
hex84748e3d

2222231101 has 2 divisors, whose sum is σ = 2222231102. Its totient is φ = 2222231100.

The previous prime is 2222231087. The next prime is 2222231107. The reversal of 2222231101 is 1011322222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2187432900 + 34798201 = 46770^2 + 5899^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222231101 - 213 = 2222222909 is a prime.

It is a super-2 number, since 2×22222311012 = 9876622132503344402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222231107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111115550 + 1111115551.

It is an arithmetic number, because the mean of its divisors is an integer number (1111115551).

Almost surely, 22222231101 is an apocalyptic number.

It is an amenable number.

2222231101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222231101 is an equidigital number, since it uses as much as digits as its factorization.

2222231101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2222231101 is about 47140.5462526687. The cubic root of 2222231101 is about 1304.9576183493.

Adding to 2222231101 its reverse (1011322222), we get a palindrome (3233553323).

The spelling of 2222231101 in words is "two billion, two hundred twenty-two million, two hundred thirty-one thousand, one hundred one".