204622028 has 36 divisors (see below), whose sum is σ = 399475440. Its totient is φ = 91164864.

The previous prime is 204622027. The next prime is 204622037. The reversal of 204622028 is 820226402.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 204621988 and 204622006.

It is not an unprimeable number, because it can be changed into a prime (204622027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41393 + ... + 46071.

It is an arithmetic number, because the mean of its divisors is an integer number (11096540).

Almost surely, 2^204622028 is an apocalyptic number.

It is an amenable number.

204622028 is a deficient number, since it is larger than the sum of its proper divisors (194853412).

204622028 is a wasteful number, since it uses less digits than its factorization.

204622028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754 (or 4723 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 204622028 is about 14304.6156187435. The cubic root of 204622028 is about 589.2742469523.

The spelling of 204622028 in words is "two hundred four million, six hundred twenty-two thousand, twenty-eight".