2204042 has 4 divisors (see below), whose sum is σ = 3306066. Its totient is φ = 1102020.

The previous prime is 2204039. The next prime is 2204047. The reversal of 2204042 is 2404022.

It is a happy number.

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., 1413721 + 790321 = 1189^2 + 889^2 .

It is a super-2 number, since 2×2204042² = 9715602275528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2204047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551009 + ... + 551012.

2^2204042 is an apocalyptic number.

2204042 is a deficient number, since it is larger than the sum of its proper divisors (1102024).

2204042 is a wasteful number, since it uses less digits than its factorization.

2204042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102023.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2204042 is about 1484.6016300678. The cubic root of 2204042 is about 130.1387473276.

Adding to 2204042 its reverse (2404022), we get a palindrome (4608064).

The spelling of 2204042 in words is "two million, two hundred four thousand, forty-two".