224052520 has 32 divisors (see below), whose sum is σ = 533773800. Its totient is φ = 84348928.

The previous prime is 224052467. The next prime is 224052523. The reversal of 224052520 is 25250422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 205234276 + 18818244 = 14326^2 + 4338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 224052491 and 224052500.

It is not an unprimeable number, because it can be changed into a prime (224052523) 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, 164065 + ... + 165424.

Almost surely, 2^224052520 is an apocalyptic number.

224052520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224052520 is an abundant number, since it is smaller than the sum of its proper divisors (309721280).

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

224052520 is a wasteful number, since it uses less digits than its factorization.

224052520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329517 (or 329513 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 224052520 is about 14968.3840143150. The cubic root of 224052520 is about 607.3652554436.

The spelling of 224052520 in words is "two hundred twenty-four million, fifty-two thousand, five hundred twenty".