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22222143241 is a prime number
BaseRepresentation
bin10100101100100010…
…101111111100001001
32010100200212211201021
4110230202233330021
5331002332040431
614113025352441
71414454046424
oct245442577411
963320784637
1022222143241
119473903141
124382198721
132131b900ac
14110b4889bb
158a0dadb11
hex52c8aff09

22222143241 has 2 divisors, whose sum is σ = 22222143242. Its totient is φ = 22222143240.

The previous prime is 22222143239. The next prime is 22222143257. The reversal of 22222143241 is 14234122222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12818768400 + 9403374841 = 113220^2 + 96971^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222143241 - 21 = 22222143239 is a prime.

Together with 22222143239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22222143271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111071620 + 11111071621.

It is an arithmetic number, because the mean of its divisors is an integer number (11111071621).

Almost surely, 222222143241 is an apocalyptic number.

It is an amenable number.

22222143241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222143241 is an equidigital number, since it uses as much as digits as its factorization.

22222143241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

Adding to 22222143241 its reverse (14234122222), we get a palindrome (36456265463).

The spelling of 22222143241 in words is "twenty-two billion, two hundred twenty-two million, one hundred forty-three thousand, two hundred forty-one".