520256224 has 12 divisors (see below), whose sum is σ = 1024254504. Its totient is φ = 260128096.

The previous prime is 520256203. The next prime is 520256227. The reversal of 520256224 is 422652025.

It is a super-2 number, since 2×520256224² = 541333077221476352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520256192 and 520256201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520256227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8128972 + ... + 8129035.

It is an arithmetic number, because the mean of its divisors is an integer number (85354542).

Almost surely, 2^520256224 is an apocalyptic number.

It is an amenable number.

520256224 is a deficient number, since it is larger than the sum of its proper divisors (503998280).

520256224 is a wasteful number, since it uses less digits than its factorization.

520256224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16258017 (or 16258009 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 520256224 is about 22809.1258929403. The cubic root of 520256224 is about 804.2772077788.

The spelling of 520256224 in words is "five hundred twenty million, two hundred fifty-six thousand, two hundred twenty-four".