225086780 has 12 divisors (see below), whose sum is σ = 472682280. Its totient is φ = 90034704.

The previous prime is 225086779. The next prime is 225086819. The reversal of 225086780 is 87680522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5627150 + ... + 5627189.

It is an arithmetic number, because the mean of its divisors is an integer number (39390190).

Almost surely, 2^225086780 is an apocalyptic number.

225086780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225086780 is an abundant number, since it is smaller than the sum of its proper divisors (247595500).

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

225086780 is a wasteful number, since it uses less digits than its factorization.

225086780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11254348 (or 11254346 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 225086780 is about 15002.8923878031. The cubic root of 225086780 is about 608.2983840976.

The spelling of 225086780 in words is "two hundred twenty-five million, eighty-six thousand, seven hundred eighty".