404440022 has 12 divisors (see below), whose sum is σ = 705706740. Its totient is φ = 173331396.

The previous prime is 404440021. The next prime is 404440037. The reversal of 404440022 is 220044404.

It is a junction number, because it is equal to n+sod(n) for n = 404439976 and 404440003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404440021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2063372 + ... + 2063567.

It is an arithmetic number, because the mean of its divisors is an integer number (58808895).

Almost surely, 2^404440022 is an apocalyptic number.

404440022 is a deficient number, since it is larger than the sum of its proper divisors (301266718).

404440022 is a wasteful number, since it uses less digits than its factorization.

404440022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126955 (or 4126948 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 404440022 is about 20110.6942197429. The cubic root of 404440022 is about 739.5224713137.

Adding to 404440022 its reverse (220044404), we get a palindrome (624484426).

The spelling of 404440022 in words is "four hundred four million, four hundred forty thousand, twenty-two".