204225311 has 8 divisors (see below), whose sum is σ = 212620944. Its totient is φ = 195981120.

The previous prime is 204225299. The next prime is 204225341. The reversal of 204225311 is 113522402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204225311 - 2¹⁰ = 204224287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204225341) 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, 35105 + ... + 40506.

It is an arithmetic number, because the mean of its divisors is an integer number (26577618).

Almost surely, 2^204225311 is an apocalyptic number.

204225311 is a deficient number, since it is larger than the sum of its proper divisors (8395633).

204225311 is an equidigital number, since it uses as much as digits as its factorization.

204225311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75721.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 204225311 is about 14290.7421430799. The cubic root of 204225311 is about 588.8931762922.

Adding to 204225311 its reverse (113522402), we get a palindrome (317747713).

The spelling of 204225311 in words is "two hundred four million, two hundred twenty-five thousand, three hundred eleven".