904022473 has 4 divisors (see below), whose sum is σ = 904915908. Its totient is φ = 903129040.

The previous prime is 904022467. The next prime is 904022479. The reversal of 904022473 is 374220409.

904022473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (904022467) and next prime (904022479).

It can be written as a sum of positive squares in 2 ways, for example, as 238795209 + 665227264 = 15453^2 + 25792^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-904022473 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (904022479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445198 + ... + 447223.

It is an arithmetic number, because the mean of its divisors is an integer number (226228977).

Almost surely, 2^904022473 is an apocalyptic number.

It is an amenable number.

904022473 is a deficient number, since it is larger than the sum of its proper divisors (893435).

904022473 is a wasteful number, since it uses less digits than its factorization.

904022473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893434.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 904022473 is about 30066.9664748541. The cubic root of 904022473 is about 966.9256377231.

It can be divided in two parts, 9040 and 22473, that added together give a palindrome (31513).

The spelling of 904022473 in words is "nine hundred four million, twenty-two thousand, four hundred seventy-three".