204422438 has 16 divisors (see below), whose sum is σ = 335301120. Its totient is φ = 92699400.

The previous prime is 204422437. The next prime is 204422453. The reversal of 204422438 is 834224402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 204422438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204422437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298 + ... + 20261.

It is an arithmetic number, because the mean of its divisors is an integer number (20956320).

Almost surely, 2^204422438 is an apocalyptic number.

204422438 is a deficient number, since it is larger than the sum of its proper divisors (130878682).

204422438 is a wasteful number, since it uses less digits than its factorization.

204422438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22003.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 204422438 is about 14297.6374971532. The cubic root of 204422438 is about 589.0825903173.

The spelling of 204422438 in words is "two hundred four million, four hundred twenty-two thousand, four hundred thirty-eight".