225963880 has 32 divisors (see below), whose sum is σ = 514139400. Its totient is φ = 89368576.

The previous prime is 225963863. The next prime is 225963883. The reversal of 225963880 is 88369522.

It can be written as a sum of positive squares in 4 ways, for example, as 116510436 + 109453444 = 10794^2 + 10462^2 .

It is not an unprimeable number, because it can be changed into a prime (225963883) by changing a digit.

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, 28177 + ... + 35296.

Almost surely, 2^225963880 is an apocalyptic number.

225963880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225963880 is an abundant number, since it is smaller than the sum of its proper divisors (288175520).

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

225963880 is a wasteful number, since it uses less digits than its factorization.

225963880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63573 (or 63569 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 225963880 is about 15032.0949970388. The cubic root of 225963880 is about 609.0874827028.

The spelling of 225963880 in words is "two hundred twenty-five million, nine hundred sixty-three thousand, eight hundred eighty".