2204331440242 has 4 divisors (see below), whose sum is σ = 3306497160366. Its totient is φ = 1102165720120.

The previous prime is 2204331440231. The next prime is 2204331440251. The reversal of 2204331440242 is 2420441334022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1581006979161 + 623324461081 = 1257381^2 + 789509^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551082860059 + ... + 551082860062.

Almost surely, 2^{2204331440242} is an apocalyptic number.

2204331440242 is a deficient number, since it is larger than the sum of its proper divisors (1102165720124).

2204331440242 is a wasteful number, since it uses less digits than its factorization.

2204331440242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102165720123.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 2204331440242 its reverse (2420441334022), we get a palindrome (4624772774264).

The spelling of 2204331440242 in words is "two trillion, two hundred four billion, three hundred thirty-one million, four hundred forty thousand, two hundred forty-two".