Base | Representation |
---|---|
bin | 10100011111010100… |
… | …001011111101001111 |
3 | 2002210020022002001012 |
4 | 110133110023331033 |
5 | 330024024101111 |
6 | 14035021035435 |
7 | 1406120542004 |
oct | 243724137517 |
9 | 62706262035 |
10 | 22000222031 |
11 | 936a608487 |
12 | 431b9b5b7b |
13 | 20c7bcc078 |
14 | 10c9bdb8ab |
15 | 88b67448b |
hex | 51f50bf4f |
22000222031 has 2 divisors, whose sum is σ = 22000222032. Its totient is φ = 22000222030.
The previous prime is 22000222007. The next prime is 22000222033. The reversal of 22000222031 is 13022200022.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 22000222031 - 210 = 22000221007 is a prime.
It is a super-2 number, since 2×220002220312 (a number of 21 digits) contains 22 as substring.
Together with 22000222033, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 22000221997 and 22000222015.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22000222033) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000111015 + 11000111016.
It is an arithmetic number, because the mean of its divisors is an integer number (11000111016).
Almost surely, 222000222031 is an apocalyptic number.
22000222031 is a deficient number, since it is larger than the sum of its proper divisors (1).
22000222031 is an equidigital number, since it uses as much as digits as its factorization.
22000222031 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 14.
Adding to 22000222031 its reverse (13022200022), we get a palindrome (35022422053).
The spelling of 22000222031 in words is "twenty-two billion, two hundred twenty-two thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •