520162223 has 4 divisors (see below), whose sum is σ = 594471120. Its totient is φ = 445853328.

The previous prime is 520162219. The next prime is 520162249. The reversal of 520162223 is 322261025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520162223 - 2² = 520162219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520162283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37154438 + ... + 37154451.

It is an arithmetic number, because the mean of its divisors is an integer number (148617780).

Almost surely, 2^520162223 is an apocalyptic number.

520162223 is a deficient number, since it is larger than the sum of its proper divisors (74308897).

520162223 is an equidigital number, since it uses as much as digits as its factorization.

520162223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74308896.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 520162223 is about 22807.0651991877. The cubic root of 520162223 is about 804.2287653562.

The spelling of 520162223 in words is "five hundred twenty million, one hundred sixty-two thousand, two hundred twenty-three".