473221231 has 32 divisors (see below), whose sum is σ = 607260672. Its totient is φ = 359354880.

The previous prime is 473221219. The next prime is 473221247. The reversal of 473221231 is 132122374.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473221231 is a prime.

It is a super-2 number, since 2×473221231² = 447876666938310722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 473221196 and 473221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473221291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134760 + ... + 138226.

It is an arithmetic number, because the mean of its divisors is an integer number (18976896).

Almost surely, 2^473221231 is an apocalyptic number.

473221231 is a deficient number, since it is larger than the sum of its proper divisors (134039441).

473221231 is a wasteful number, since it uses less digits than its factorization.

473221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559.

The product of its digits is 2016, while the sum is 25.

The square root of 473221231 is about 21753.6486824624. The cubic root of 473221231 is about 779.2702088078.

The spelling of 473221231 in words is "four hundred seventy-three million, two hundred twenty-one thousand, two hundred thirty-one".