22232036320042 has 4 divisors (see below), whose sum is σ = 33348054480066. Its totient is φ = 11116018160020.

The previous prime is 22232036320037. The next prime is 22232036320049. The reversal of 22232036320042 is 24002363023222.

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., 20664033984441 + 1568002335601 = 4545771^2 + 1252199^2 .

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 a junction number, because it is equal to n+sod(n) for n = 22232036319986 and 22232036320013.

It is not an unprimeable number, because it can be changed into a prime (22232036320049) by changing a digit.

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, 5558009080009 + ... + 5558009080012.

Almost surely, 2^{22232036320042} is an apocalyptic number.

22232036320042 is a deficient number, since it is larger than the sum of its proper divisors (11116018160024).

22232036320042 is a wasteful number, since it uses less digits than its factorization.

22232036320042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11116018160023.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 22232036320042 its reverse (24002363023222), we get a palindrome (46234399343264).

The spelling of 22232036320042 in words is "twenty-two trillion, two hundred thirty-two billion, thirty-six million, three hundred twenty thousand, forty-two".