5221443287 has 2 divisors, whose sum is σ = 5221443288. Its totient is φ = 5221443286.

The previous prime is 5221443247. The next prime is 5221443323. The reversal of 5221443287 is 7823441225.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5221443287 - 2¹⁶ = 5221377751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5221443287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5221443217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610721643 + 2610721644.

It is an arithmetic number, because the mean of its divisors is an integer number (2610721644).

Almost surely, 2^5221443287 is an apocalyptic number.

5221443287 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221443287 is an equidigital number, since it uses as much as digits as its factorization.

5221443287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 38.

The square root of 5221443287 is about 72259.5549875586. The cubic root of 5221443287 is about 1734.8563567625.

The spelling of 5221443287 in words is "five billion, two hundred twenty-one million, four hundred forty-three thousand, two hundred eighty-seven".