22104304042 has 4 divisors (see below), whose sum is σ = 33156456066. Its totient is φ = 11052152020.

The previous prime is 22104303971. The next prime is 22104304091. The reversal of 22104304042 is 24040340122.

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., 17588329641 + 4515974401 = 132621^2 + 67201^2 .

It is a Smith number, since the sum of its digits (22) 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 polite number, since it can be written as a sum of consecutive naturals, namely, 5526076009 + ... + 5526076012.

Almost surely, 2^22104304042 is an apocalyptic number.

22104304042 is a deficient number, since it is larger than the sum of its proper divisors (11052152024).

22104304042 is a wasteful number, since it uses less digits than its factorization.

22104304042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11052152023.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22104304042 its reverse (24040340122), we get a palindrome (46144644164).

The spelling of 22104304042 in words is "twenty-two billion, one hundred four million, three hundred four thousand, forty-two".