404122303 has 4 divisors (see below), whose sum is σ = 435208648. Its totient is φ = 373035960.

The previous prime is 404122289. The next prime is 404122307. The reversal of 404122303 is 303221404.

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 404122303 - 2²⁵ = 370567871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404122307) 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, 15543153 + ... + 15543178.

It is an arithmetic number, because the mean of its divisors is an integer number (108802162).

Almost surely, 2^404122303 is an apocalyptic number.

404122303 is a deficient number, since it is larger than the sum of its proper divisors (31086345).

404122303 is a wasteful number, since it uses less digits than its factorization.

404122303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31086344.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 404122303 is about 20102.7934128568. The cubic root of 404122303 is about 739.3287698329.

Adding to 404122303 its reverse (303221404), we get a palindrome (707343707).

The spelling of 404122303 in words is "four hundred four million, one hundred twenty-two thousand, three hundred three".