225055120 has 40 divisors (see below), whose sum is σ = 535430016. Its totient is φ = 87927168.

The previous prime is 225055099. The next prime is 225055123. The reversal of 225055120 is 21550522.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 225055091 and 225055100.

It is not an unprimeable number, because it can be changed into a prime (225055123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29272 + ... + 36151.

Almost surely, 2^225055120 is an apocalyptic number.

225055120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225055120 is an abundant number, since it is smaller than the sum of its proper divisors (310374896).

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

225055120 is a wasteful number, since it uses less digits than its factorization.

225055120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65479 (or 65473 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 225055120 is about 15001.8372208207. The cubic root of 225055120 is about 608.2698623131.

The spelling of 225055120 in words is "two hundred twenty-five million, fifty-five thousand, one hundred twenty".