204040222 has 16 divisors (see below), whose sum is σ = 338154912. Its totient is φ = 91843840.

The previous prime is 204040217. The next prime is 204040223. The reversal of 204040222 is 222040402.

It is a junction number, because it is equal to n+sod(n) for n = 204040196 and 204040205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204040223) 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, 129679 + ... + 131242.

It is an arithmetic number, because the mean of its divisors is an integer number (21134682).

Almost surely, 2^204040222 is an apocalyptic number.

204040222 is a deficient number, since it is larger than the sum of its proper divisors (134114690).

204040222 is a wasteful number, since it uses less digits than its factorization.

204040222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260963.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 204040222 is about 14284.2648393258. The cubic root of 204040222 is about 588.7152182757.

Adding to 204040222 its reverse (222040402), we get a palindrome (426080624).

It can be divided in two parts, 2040402 and 22, that multiplied together give a palindrome (44888844).

The spelling of 204040222 in words is "two hundred four million, forty thousand, two hundred twenty-two".