404412222 has 16 divisors (see below), whose sum is σ = 809314560. Its totient is φ = 134722392.

The previous prime is 404412209. The next prime is 404412223. The reversal of 404412222 is 222214404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404412223) 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, 9222 + ... + 29897.

It is an arithmetic number, because the mean of its divisors is an integer number (50582160).

Almost surely, 2^404412222 is an apocalyptic number.

404412222 is an abundant number, since it is smaller than the sum of its proper divisors (404902338).

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

404412222 is a wasteful number, since it uses less digits than its factorization.

404412222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40847.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 404412222 is about 20110.0030333165. The cubic root of 404412222 is about 739.5055267363.

Adding to 404412222 its reverse (222214404), we get a palindrome (626626626).

The spelling of 404412222 in words is "four hundred four million, four hundred twelve thousand, two hundred twenty-two".