404000222 has 16 divisors (see below), whose sum is σ = 620801280. Its totient is φ = 197077272.

The previous prime is 404000213. The next prime is 404000263. The reversal of 404000222 is 222000404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 404000197 and 404000206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92729 + ... + 96987.

It is an arithmetic number, because the mean of its divisors is an integer number (38800080).

Almost surely, 2^404000222 is an apocalyptic number.

404000222 is a deficient number, since it is larger than the sum of its proper divisors (216801058).

404000222 is a wasteful number, since it uses less digits than its factorization.

404000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 404000222 is about 20099.7567646974. The cubic root of 404000222 is about 739.2543145793.

Adding to 404000222 its reverse (222000404), we get a palindrome (626000626).

The spelling of 404000222 in words is "four hundred four million, two hundred twenty-two", and thus it is an aban number.