804223541 has 16 divisors (see below), whose sum is σ = 888833088. Its totient is φ = 721593600.

The previous prime is 804223523. The next prime is 804223547. The reversal of 804223541 is 145322408.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 804223541 - 2¹⁸ = 803961397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804223547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282461 + ... + 285293.

It is an arithmetic number, because the mean of its divisors is an integer number (55552068).

Almost surely, 2^804223541 is an apocalyptic number.

It is an amenable number.

804223541 is a deficient number, since it is larger than the sum of its proper divisors (84609547).

804223541 is a wasteful number, since it uses less digits than its factorization.

804223541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 804223541 is about 28358.8353251681. The cubic root of 804223541 is about 929.9485619217.

Adding to 804223541 its reverse (145322408), we get a palindrome (949545949).

The spelling of 804223541 in words is "eight hundred four million, two hundred twenty-three thousand, five hundred forty-one".