224155120 has 40 divisors (see below), whose sum is σ = 595613664. Its totient is φ = 76852992.

The previous prime is 224155111. The next prime is 224155177. The reversal of 224155120 is 21551422.

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 = 224155091 and 224155100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199579 + ... + 200698.

Almost surely, 2^224155120 is an apocalyptic number.

224155120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224155120 is an abundant number, since it is smaller than the sum of its proper divisors (371458544).

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

224155120 is a wasteful number, since it uses less digits than its factorization.

224155120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400297 (or 400291 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 224155120 is about 14971.8108457194. The cubic root of 224155120 is about 607.4579512181.

The spelling of 224155120 in words is "two hundred twenty-four million, one hundred fifty-five thousand, one hundred twenty".