404435022 has 16 divisors (see below), whose sum is σ = 809392080. Its totient is φ = 134724672.

The previous prime is 404435011. The next prime is 404435027. The reversal of 404435022 is 220534404.

It is a junction number, because it is equal to n+sod(n) for n = 404434983 and 404435001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404435027) 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, 11293 + ... + 30600.

It is an arithmetic number, because the mean of its divisors is an integer number (50587005).

Almost surely, 2^404435022 is an apocalyptic number.

404435022 is an abundant number, since it is smaller than the sum of its proper divisors (404957058).

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

404435022 is a wasteful number, since it uses less digits than its factorization.

404435022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43507.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 404435022 is about 20110.5699073895. The cubic root of 404435022 is about 739.5194237851.

Adding to 404435022 its reverse (220534404), we get a palindrome (624969426).

The spelling of 404435022 in words is "four hundred four million, four hundred thirty-five thousand, twenty-two".