520152722 has 8 divisors (see below), whose sum is σ = 781142076. Its totient is φ = 259772032.

The previous prime is 520152719. The next prime is 520152733. The reversal of 520152722 is 227251025.

It can be written as a sum of positive squares in 2 ways, for example, as 446519161 + 73633561 = 21131^2 + 8581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 520152691 and 520152700.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 150023 + ... + 153450.

Almost surely, 2^520152722 is an apocalyptic number.

520152722 is a deficient number, since it is larger than the sum of its proper divisors (260989354).

520152722 is a wasteful number, since it uses less digits than its factorization.

520152722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304332.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 520152722 is about 22806.8569075180. The cubic root of 520152722 is about 804.2238687914.

The spelling of 520152722 in words is "five hundred twenty million, one hundred fifty-two thousand, seven hundred twenty-two".