225246868 has 72 divisors (see below), whose sum is σ = 508479552. Its totient is φ = 84816000.

The previous prime is 225246841. The next prime is 225246871. The reversal of 225246868 is 868642522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295608 + ... + 296368.

It is an arithmetic number, because the mean of its divisors is an integer number (7062216).

Almost surely, 2^225246868 is an apocalyptic number.

225246868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225246868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254239776).

225246868 is an abundant number, since it is smaller than the sum of its proper divisors (283232684).

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

225246868 is a wasteful number, since it uses less digits than its factorization.

225246868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 812 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 225246868 is about 15008.2266773926. The cubic root of 225246868 is about 608.4425628510.

It can be divided in two parts, 22524 and 6868, that added together give a palindrome (29392).

The spelling of 225246868 in words is "two hundred twenty-five million, two hundred forty-six thousand, eight hundred sixty-eight".