404222224 has 40 divisors (see below), whose sum is σ = 897416768. Its totient is φ = 172782720.

The previous prime is 404222219. The next prime is 404222251. The reversal of 404222224 is 422222404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 404222195 and 404222204.

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, 39919 + ... + 49009.

Almost surely, 2^404222224 is an apocalyptic number.

It is an amenable number.

404222224 is an abundant number, since it is smaller than the sum of its proper divisors (493194544).

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

404222224 is a wasteful number, since it uses less digits than its factorization.

404222224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9503 (or 9497 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 404222224 is about 20105.2785108787. The cubic root of 404222224 is about 739.3896988980.

Adding to 404222224 its reverse (422222404), we get a palindrome (826444628).

The spelling of 404222224 in words is "four hundred four million, two hundred twenty-two thousand, two hundred twenty-four".