204226668 has 72 divisors (see below), whose sum is σ = 547921920. Its totient is φ = 63957600.

The previous prime is 204226621. The next prime is 204226681. The reversal of 204226668 is 866622402.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85693 + ... + 88043.

Almost surely, 2^204226668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204226668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273960960).

204226668 is an abundant number, since it is smaller than the sum of its proper divisors (343695252).

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

204226668 is a wasteful number, since it uses less digits than its factorization.

204226668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507 (or 2502 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 204226668 is about 14290.7896212911. The cubic root of 204226668 is about 588.8944806135.

The spelling of 204226668 in words is "two hundred four million, two hundred twenty-six thousand, six hundred sixty-eight".