252222345527 has 2 divisors, whose sum is σ = 252222345528. Its totient is φ = 252222345526.

The previous prime is 252222345497. The next prime is 252222345553. The reversal of 252222345527 is 725543222252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252222345527 is a prime.

It is a super-2 number, since 2×252222345527² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252222344527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126111172763 + 126111172764.

It is an arithmetic number, because the mean of its divisors is an integer number (126111172764).

Almost surely, 2^252222345527 is an apocalyptic number.

252222345527 is a deficient number, since it is larger than the sum of its proper divisors (1).

252222345527 is an equidigital number, since it uses as much as digits as its factorization.

252222345527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672000, while the sum is 41.

Adding to 252222345527 its reverse (725543222252), we get a palindrome (977765567779).

The spelling of 252222345527 in words is "two hundred fifty-two billion, two hundred twenty-two million, three hundred forty-five thousand, five hundred twenty-seven".