404222214 has 32 divisors (see below), whose sum is σ = 884991744. Its totient is φ = 122067680.

The previous prime is 404222129. The next prime is 404222219. The reversal of 404222214 is 412222404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404222219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8887 + ... + 29789.

It is an arithmetic number, because the mean of its divisors is an integer number (27655992).

Almost surely, 2^404222214 is an apocalyptic number.

404222214 is an abundant number, since it is smaller than the sum of its proper divisors (480769530).

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

404222214 is a wasteful number, since it uses less digits than its factorization.

404222214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21212.

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

The square root of 404222214 is about 20105.2782621878. The cubic root of 404222214 is about 739.3896928008.

Adding to 404222214 its reverse (412222404), we get a palindrome (816444618).

The spelling of 404222214 in words is "four hundred four million, two hundred twenty-two thousand, two hundred fourteen".