204122799 has 12 divisors (see below), whose sum is σ = 298997712. Its totient is φ = 134164800.

The previous prime is 204122797. The next prime is 204122843. The reversal of 204122799 is 997221402.

It is not a de Polignac number, because 204122799 - 2¹ = 204122797 is a prime.

It is a super-2 number, since 2×204122799² = 83332234143188802, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204122797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159082 + ... + 160359.

It is an arithmetic number, because the mean of its divisors is an integer number (24916476).

Almost surely, 2^204122799 is an apocalyptic number.

204122799 is a deficient number, since it is larger than the sum of its proper divisors (94874913).

204122799 is a wasteful number, since it uses less digits than its factorization.

204122799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319518 (or 319515 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 204122799 is about 14287.1550352056. The cubic root of 204122799 is about 588.7946270958.

The spelling of 204122799 in words is "two hundred four million, one hundred twenty-two thousand, seven hundred ninety-nine".