5222313991 has 2 divisors, whose sum is σ = 5222313992. Its totient is φ = 5222313990.

The previous prime is 5222313983. The next prime is 5222314021. The reversal of 5222313991 is 1993132225.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5222313991 - 2³ = 5222313983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5222313991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5222313791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2611156995 + 2611156996.

It is an arithmetic number, because the mean of its divisors is an integer number (2611156996).

Almost surely, 2^5222313991 is an apocalyptic number.

5222313991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5222313991 is an equidigital number, since it uses as much as digits as its factorization.

5222313991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 37.

The square root of 5222313991 is about 72265.5795728506. The cubic root of 5222313991 is about 1734.9527836398.

The spelling of 5222313991 in words is "five billion, two hundred twenty-two million, three hundred thirteen thousand, nine hundred ninety-one".