804902229 has 18 divisors (see below), whose sum is σ = 1175396898. Its totient is φ = 530724000.

The previous prime is 804902191. The next prime is 804902233. The reversal of 804902229 is 922209408.

It can be written as a sum of positive squares in 3 ways, for example, as 419840100 + 385062129 = 20490^2 + 19623^2 .

It is not a de Polignac number, because 804902229 - 2⁷ = 804902101 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 804902193 and 804902202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804902029) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 854899 + ... + 855839.

Almost surely, 2^804902229 is an apocalyptic number.

It is an amenable number.

804902229 is a deficient number, since it is larger than the sum of its proper divisors (370494669).

804902229 is an equidigital number, since it uses as much as digits as its factorization.

804902229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 804902229 is about 28370.7988784243. The cubic root of 804902229 is about 930.2100843461.

The spelling of 804902229 in words is "eight hundred four million, nine hundred two thousand, two hundred twenty-nine".