225302163252 has 24 divisors (see below), whose sum is σ = 525723630432. Its totient is φ = 75098066400.

The previous prime is 225302163241. The next prime is 225302163263. The reversal of 225302163252 is 252361203522.

225302163252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225302163241) and next prime (225302163263).

It is a super-2 number, since 2×225302163252² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38302 + ... + 672362.

It is an arithmetic number, because the mean of its divisors is an integer number (21905151268).

Almost surely, 2^225302163252 is an apocalyptic number.

It is an amenable number.

225302163252 is an abundant number, since it is smaller than the sum of its proper divisors (300421467180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225302163252 is a wasteful number, since it uses less digits than its factorization.

225302163252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663679 (or 663677 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 225302163252 its reverse (252361203522), we get a palindrome (477663366774).

The spelling of 225302163252 in words is "two hundred twenty-five billion, three hundred two million, one hundred sixty-three thousand, two hundred fifty-two".