22023304042 has 4 divisors (see below), whose sum is σ = 33034956066. Its totient is φ = 11011652020.

The previous prime is 22023304013. The next prime is 22023304097. The reversal of 22023304042 is 24040332022.

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., 12501252481 + 9522051561 = 111809^2 + 97581^2 .

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, 5505826009 + ... + 5505826012.

Almost surely, 2^22023304042 is an apocalyptic number.

22023304042 is a deficient number, since it is larger than the sum of its proper divisors (11011652024).

22023304042 is a wasteful number, since it uses less digits than its factorization.

22023304042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011652023.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 22023304042 its reverse (24040332022), we get a palindrome (46063636064).

The spelling of 22023304042 in words is "twenty-two billion, twenty-three million, three hundred four thousand, forty-two".