204224406 has 16 divisors (see below), whose sum is σ = 426207744. Its totient is φ = 65114984.

The previous prime is 204224399. The next prime is 204224411. The reversal of 204224406 is 604422402.

204224406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 739806 + ... + 740081.

It is an arithmetic number, because the mean of its divisors is an integer number (26637984).

Almost surely, 2^204224406 is an apocalyptic number.

204224406 is an abundant number, since it is smaller than the sum of its proper divisors (221983338).

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

204224406 is a wasteful number, since it uses less digits than its factorization.

204224406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479915.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 204224406 is about 14290.7104791889. The cubic root of 204224406 is about 588.8923064211.

Adding to 204224406 its reverse (604422402), we get a palindrome (808646808).

The spelling of 204224406 in words is "two hundred four million, two hundred twenty-four thousand, four hundred six".