475700222165809 has 3 divisors (see below), whose sum is σ = 475700243976363. Its totient is φ = 475700200355256.

The previous prime is 475700222165771. The next prime is 475700222165821. The reversal of 475700222165809 is 908561222007574.

The square root of 475700222165809 is 21810553.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 25839176400625 + 449861045765184 = 5083225^2 + 21209928^2 .

It is not a de Polignac number, because 475700222165809 - 2¹⁵ = 475700222133041 is a prime.

It is a super-3 number, since 3×475700222165809³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475700222165849) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10905277 + ... + 32715829.

It is an arithmetic number, because the mean of its divisors is an integer number (158566747992121).

Almost surely, 2^{475700222165809} is an apocalyptic number.

475700222165809 is the 21810553-rd square number.

475700222165809 is the 10905277-th centered octagonal number.

It is an amenable number.

475700222165809 is a deficient number, since it is larger than the sum of its proper divisors (21810554).

475700222165809 is an frugal number, since it uses more digits than its factorization.

475700222165809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43621106 (or 21810553 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 475700222165809 in words is "four hundred seventy-five trillion, seven hundred billion, two hundred twenty-two million, one hundred sixty-five thousand, eight hundred nine".