404412224 has 28 divisors (see below), whose sum is σ = 807910500. Its totient is φ = 200844288.

The previous prime is 404412223. The next prime is 404412241. The reversal of 404412224 is 422214404.

It can be written as a sum of positive squares in 2 ways, for example, as 153760000 + 250652224 = 12400^2 + 15832^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 404412224.

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 3 ways as a sum of consecutive naturals, for example, 11669 + ... + 30740.

Almost surely, 2^404412224 is an apocalyptic number.

It is an amenable number.

404412224 is a deficient number, since it is larger than the sum of its proper divisors (403498276).

404412224 is a wasteful number, since it uses less digits than its factorization.

404412224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42570 (or 42560 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 404412224 is about 20110.0030830430. The cubic root of 404412224 is about 739.5055279554.

Adding to 404412224 its reverse (422214404), we get a palindrome (826626628).

The spelling of 404412224 in words is "four hundred four million, four hundred twelve thousand, two hundred twenty-four".