2204402042 has 4 divisors (see below), whose sum is σ = 3306603066. Its totient is φ = 1102201020.

The previous prime is 2204401993. The next prime is 2204402047. The reversal of 2204402042 is 2402044022.

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., 1699995361 + 504406681 = 41231^2 + 22459^2 .

It is not an unprimeable number, because it can be changed into a prime (2204402047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551100509 + ... + 551100512.

Almost surely, 2^2204402042 is an apocalyptic number.

2204402042 is a deficient number, since it is larger than the sum of its proper divisors (1102201024).

2204402042 is a wasteful number, since it uses less digits than its factorization.

2204402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102201023.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2204402042 is about 46951.0600732294. The cubic root of 2204402042 is about 1301.4583322761.

Adding to 2204402042 its reverse (2402044022), we get a palindrome (4606446064).

The spelling of 2204402042 in words is "two billion, two hundred four million, four hundred two thousand, forty-two".