223326242525 has 12 divisors (see below), whose sum is σ = 283678799124. Its totient is φ = 174303408000.

The previous prime is 223326242501. The next prime is 223326242551. The reversal of 223326242525 is 525242623322.

It can be written as a sum of positive squares in 6 ways, for example, as 63388636441 + 159937606084 = 251771^2 + 399922^2 .

It is a de Polignac number, because none of the positive numbers 2^k-223326242525 is a prime.

It is a super-2 number, since 2×223326242525² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108938606 + ... + 108940655.

It is an arithmetic number, because the mean of its divisors is an integer number (23639899927).

Almost surely, 2^223326242525 is an apocalyptic number.

223326242525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223326242525 is a deficient number, since it is larger than the sum of its proper divisors (60352556599).

223326242525 is a wasteful number, since it uses less digits than its factorization.

223326242525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217879312 (or 217879307 counting only the distinct ones).

The product of its digits is 345600, while the sum is 38.

Adding to 223326242525 its reverse (525242623322), we get a palindrome (748568865847).

The spelling of 223326242525 in words is "two hundred twenty-three billion, three hundred twenty-six million, two hundred forty-two thousand, five hundred twenty-five".