225073180 has 24 divisors (see below), whose sum is σ = 483647472. Its totient is φ = 87935232.

The previous prime is 225073169. The next prime is 225073187. The reversal of 225073180 is 81370522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225073187) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 129997 + ... + 131716.

It is an arithmetic number, because the mean of its divisors is an integer number (20151978).

Almost surely, 2^225073180 is an apocalyptic number.

225073180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225073180 is an abundant number, since it is smaller than the sum of its proper divisors (258574292).

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

225073180 is a wasteful number, since it uses less digits than its factorization.

225073180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261765 (or 261763 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 225073180 is about 15002.4391350207. The cubic root of 225073180 is about 608.2861324901.

The spelling of 225073180 in words is "two hundred twenty-five million, seventy-three thousand, one hundred eighty".