804221853 has 8 divisors (see below), whose sum is σ = 1073925600. Its totient is φ = 535333008.

The previous prime is 804221849. The next prime is 804221903. The reversal of 804221853 is 358122408.

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

It is not a de Polignac number, because 804221853 - 2² = 804221849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804221843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201418 + ... + 205371.

It is an arithmetic number, because the mean of its divisors is an integer number (134240700).

Almost surely, 2^804221853 is an apocalyptic number.

It is an amenable number.

804221853 is a deficient number, since it is larger than the sum of its proper divisors (269703747).

804221853 is a wasteful number, since it uses less digits than its factorization.

804221853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407451.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 804221853 is about 28358.8055637045. The cubic root of 804221853 is about 929.9479112923.

The spelling of 804221853 in words is "eight hundred four million, two hundred twenty-one thousand, eight hundred fifty-three".