2315222443 has 2 divisors, whose sum is σ = 2315222444. Its totient is φ = 2315222442.

The previous prime is 2315222431. The next prime is 2315222461. The reversal of 2315222443 is 3442225132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2315222443 - 2⁵ = 2315222411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2315222473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157611221 + 1157611222.

It is an arithmetic number, because the mean of its divisors is an integer number (1157611222).

Almost surely, 2^2315222443 is an apocalyptic number.

2315222443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315222443 is an equidigital number, since it uses as much as digits as its factorization.

2315222443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 28.

The square root of 2315222443 is about 48116.7584423556. The cubic root of 2315222443 is about 1322.9118537453.

Adding to 2315222443 its reverse (3442225132), we get a palindrome (5757447575).

The spelling of 2315222443 in words is "two billion, three hundred fifteen million, two hundred twenty-two thousand, four hundred forty-three".