502222135531 has 2 divisors, whose sum is σ = 502222135532. Its totient is φ = 502222135530.

The previous prime is 502222135477. The next prime is 502222135561. The reversal of 502222135531 is 135531222205.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502222135531 is a prime.

It is a super-2 number, since 2×502222135531² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 502222135493 and 502222135502.

It is not a weakly prime, because it can be changed into another prime (502222135561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251111067765 + 251111067766.

It is an arithmetic number, because the mean of its divisors is an integer number (251111067766).

Almost surely, 2^502222135531 is an apocalyptic number.

502222135531 is a deficient number, since it is larger than the sum of its proper divisors (1).

502222135531 is an equidigital number, since it uses as much as digits as its factorization.

502222135531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 502222135531 its reverse (135531222205), we get a palindrome (637753357736).

The spelling of 502222135531 in words is "five hundred two billion, two hundred twenty-two million, one hundred thirty-five thousand, five hundred thirty-one".