520225244 has 48 divisors (see below), whose sum is σ = 1194789120. Its totient is φ = 192015360.

The previous prime is 520225241. The next prime is 520225249. The reversal of 520225244 is 442522025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520225241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38597 + ... + 50300.

It is an arithmetic number, because the mean of its divisors is an integer number (24891440).

Almost surely, 2^520225244 is an apocalyptic number.

It is an amenable number.

520225244 is an abundant number, since it is smaller than the sum of its proper divisors (674563876).

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

520225244 is a wasteful number, since it uses less digits than its factorization.

520225244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88938 (or 88936 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 520225244 is about 22808.4467686864. The cubic root of 520225244 is about 804.2612432077.

Adding to 520225244 its reverse (442522025), we get a palindrome (962747269).

The spelling of 520225244 in words is "five hundred twenty million, two hundred twenty-five thousand, two hundred forty-four".