2516222143 has 2 divisors, whose sum is σ = 2516222144. Its totient is φ = 2516222142.

The previous prime is 2516222141. The next prime is 2516222209. The reversal of 2516222143 is 3412226152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2516222143 - 2¹ = 2516222141 is a prime.

Together with 2516222141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2516222141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258111071 + 1258111072.

It is an arithmetic number, because the mean of its divisors is an integer number (1258111072).

Almost surely, 2^2516222143 is an apocalyptic number.

2516222143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516222143 is an equidigital number, since it uses as much as digits as its factorization.

2516222143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 28.

The square root of 2516222143 is about 50161.9591224266. The cubic root of 2516222143 is about 1360.1380596220.

Adding to 2516222143 its reverse (3412226152), we get a palindrome (5928448295).

The spelling of 2516222143 in words is "two billion, five hundred sixteen million, two hundred twenty-two thousand, one hundred forty-three".