225707380 has 12 divisors (see below), whose sum is σ = 473985540. Its totient is φ = 90282944.

The previous prime is 225707369. The next prime is 225707399. The reversal of 225707380 is 83707522.

225707380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 68856804 + 156850576 = 8298^2 + 12524^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5642665 + ... + 5642704.

It is an arithmetic number, because the mean of its divisors is an integer number (39498795).

Almost surely, 2^225707380 is an apocalyptic number.

225707380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225707380 is an abundant number, since it is smaller than the sum of its proper divisors (248278160).

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

225707380 is a wasteful number, since it uses less digits than its factorization.

225707380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11285378 (or 11285376 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 225707380 is about 15023.5608295770. The cubic root of 225707380 is about 608.8569294965.

The spelling of 225707380 in words is "two hundred twenty-five million, seven hundred seven thousand, three hundred eighty".