5221220143 has 2 divisors, whose sum is σ = 5221220144. Its totient is φ = 5221220142.

The previous prime is 5221220141. The next prime is 5221220189. The reversal of 5221220143 is 3410221225.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5221220143 - 2¹ = 5221220141 is a prime.

It is a super-2 number, since 2×5221220143² = 54522279563337880898, which contains 22 as substring.

Together with 5221220141, 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 (5221220141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610610071 + 2610610072.

It is an arithmetic number, because the mean of its divisors is an integer number (2610610072).

Almost surely, 2^5221220143 is an apocalyptic number.

5221220143 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221220143 is an equidigital number, since it uses as much as digits as its factorization.

5221220143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 5221220143 is about 72258.0109261250. The cubic root of 5221220143 is about 1734.8316427591.

Adding to 5221220143 its reverse (3410221225), we get a palindrome (8631441368).

The spelling of 5221220143 in words is "five billion, two hundred twenty-one million, two hundred twenty thousand, one hundred forty-three".