404822443 has 4 divisors (see below), whose sum is σ = 408830688. Its totient is φ = 400814200.

The previous prime is 404822437. The next prime is 404822489. The reversal of 404822443 is 344228404.

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

It is a cyclic number.

It is not a de Polignac number, because 404822443 - 2²⁵ = 371268011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404822843) 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, 2003971 + ... + 2004172.

It is an arithmetic number, because the mean of its divisors is an integer number (102207672).

Almost surely, 2^404822443 is an apocalyptic number.

404822443 is a deficient number, since it is larger than the sum of its proper divisors (4008245).

404822443 is a wasteful number, since it uses less digits than its factorization.

404822443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008244.

The product of its (nonzero) digits is 24576, while the sum is 31.

The square root of 404822443 is about 20120.1998747527. The cubic root of 404822443 is about 739.7554847126.

The spelling of 404822443 in words is "four hundred four million, eight hundred twenty-two thousand, four hundred forty-three".