520297222 has 8 divisors (see below), whose sum is σ = 781473672. Its totient is φ = 259806000.

The previous prime is 520297213. The next prime is 520297229. The reversal of 520297222 is 222792025.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520297229) 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 3 ways as a sum of consecutive naturals, for example, 169404 + ... + 172447.

It is an arithmetic number, because the mean of its divisors is an integer number (97684209).

Almost surely, 2^520297222 is an apocalyptic number.

520297222 is a deficient number, since it is larger than the sum of its proper divisors (261176450).

520297222 is a wasteful number, since it uses less digits than its factorization.

520297222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342614.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 520297222 is about 22810.0245944628. The cubic root of 520297222 is about 804.2983338377.

The spelling of 520297222 in words is "five hundred twenty million, two hundred ninety-seven thousand, two hundred twenty-two".