475128226 has 8 divisors (see below), whose sum is σ = 713658960. Its totient is φ = 237241908.

The previous prime is 475128187. The next prime is 475128229. The reversal of 475128226 is 622821574.

It is a happy number.

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

It is a super-2 number, since 2×475128226² = 451493662283814152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (475128229) 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, 159256 + ... + 162211.

It is an arithmetic number, because the mean of its divisors is an integer number (89207370).

Almost surely, 2^475128226 is an apocalyptic number.

475128226 is a deficient number, since it is larger than the sum of its proper divisors (238530734).

475128226 is a wasteful number, since it uses less digits than its factorization.

475128226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322208.

The product of its digits is 53760, while the sum is 37.

The square root of 475128226 is about 21797.4362253913. The cubic root of 475128226 is about 780.3155779801.

The spelling of 475128226 in words is "four hundred seventy-five million, one hundred twenty-eight thousand, two hundred twenty-six".