22220033042 has 4 divisors (see below), whose sum is σ = 33330049566. Its totient is φ = 11110016520.

The previous prime is 22220032997. The next prime is 22220033047. The reversal of 22220033042 is 24033002222.

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., 16218277201 + 6001755841 = 127351^2 + 77471^2 .

It is not an unprimeable number, because it can be changed into a prime (22220033047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555008259 + ... + 5555008262.

Almost surely, 2^22220033042 is an apocalyptic number.

22220033042 is a deficient number, since it is larger than the sum of its proper divisors (11110016524).

22220033042 is a wasteful number, since it uses less digits than its factorization.

22220033042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110016523.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22220033042 its reverse (24033002222), we get a palindrome (46253035264).

The spelling of 22220033042 in words is "twenty-two billion, two hundred twenty million, thirty-three thousand, forty-two".