520962228 has 72 divisors (see below), whose sum is σ = 1352195208. Its totient is φ = 169049088.

The previous prime is 520962227. The next prime is 520962269. The reversal of 520962228 is 822269025.

520962228 is a `hidden beast` number, since 5 + 2 + 0 + 9 + 622 + 28 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 201696804 + 319265424 = 14202^2 + 17868^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 520962192 and 520962201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520962227) 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 23 ways as a sum of consecutive naturals, for example, 260400 + ... + 262392.

It is an arithmetic number, because the mean of its divisors is an integer number (18780489).

Almost surely, 2^520962228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520962228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676097604).

520962228 is an abundant number, since it is smaller than the sum of its proper divisors (831232980).

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

520962228 is a wasteful number, since it uses less digits than its factorization.

520962228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193 (or 2188 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 520962228 is about 22824.5969953469. The cubic root of 520962228 is about 804.6408531276.

The spelling of 520962228 in words is "five hundred twenty million, nine hundred sixty-two thousand, two hundred twenty-eight".