404022332 has 24 divisors (see below), whose sum is σ = 812568960. Its totient is φ = 172182960.

The previous prime is 404022331. The next prime is 404022389. The reversal of 404022332 is 233220404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404022331) 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, 35294 + ... + 45317.

It is an arithmetic number, because the mean of its divisors is an integer number (33857040).

Almost surely, 2^404022332 is an apocalyptic number.

It is an amenable number.

404022332 is an abundant number, since it is smaller than the sum of its proper divisors (408546628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404022332 is a wasteful number, since it uses less digits than its factorization.

404022332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80801 (or 80799 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 404022332 is about 20100.3067638283. The cubic root of 404022332 is about 739.2678002276.

Adding to 404022332 its reverse (233220404), we get a palindrome (637242736).

The spelling of 404022332 in words is "four hundred four million, twenty-two thousand, three hundred thirty-two".