222163336522325 has 24 divisors (see below), whose sum is σ = 306920583146880. Its totient is φ = 158135605097600.

The previous prime is 222163336522289. The next prime is 222163336522331. The reversal of 222163336522325 is 523225633361222.

It is not a de Polignac number, because 222163336522325 - 2³² = 222159041555029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 222163336522325.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 8594313440 + ... + 8594339289.

It is an arithmetic number, because the mean of its divisors is an integer number (12788357631120).

Almost surely, 2^{222163336522325} is an apocalyptic number.

222163336522325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222163336522325 is a deficient number, since it is larger than the sum of its proper divisors (84757246624555).

222163336522325 is a wasteful number, since it uses less digits than its factorization.

222163336522325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17188652797 (or 17188652792 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 47.

Adding to 222163336522325 its reverse (523225633361222), we get a palindrome (745388969883547).

The spelling of 222163336522325 in words is "two hundred twenty-two trillion, one hundred sixty-three billion, three hundred thirty-six million, five hundred twenty-two thousand, three hundred twenty-five".