475220 has 12 divisors (see below), whose sum is σ = 998004. Its totient is φ = 190080.

The previous prime is 475219. The next prime is 475229. The reversal of 475220 is 22574.

475220 = T₃₉₅ + T₃₉₆ + ... + T₄₀₀.

It can be written as a sum of positive squares in 2 ways, for example, as 217156 + 258064 = 466^2 + 508^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 23761 = 475220 / (4 + 7 + 5 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 475192 and 475201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11861 + ... + 11900.

It is an arithmetic number, because the mean of its divisors is an integer number (83167).

2⁴⁷⁵²²⁰ is an apocalyptic number.

It is an amenable number.

475220 is an abundant number, since it is smaller than the sum of its proper divisors (522784).

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

475220 is a wasteful number, since it uses less digits than its factorization.

475220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23770 (or 23768 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 475220 is about 689.3620239033. The cubic root of 475220 is about 78.0365815697.

Adding to 475220 its reverse (22574), we get a palindrome (497794).

The spelling of 475220 in words is "four hundred seventy-five thousand, two hundred twenty".