22443042002 has 4 divisors (see below), whose sum is σ = 33664563006. Its totient is φ = 11221521000.

The previous prime is 22443041989. The next prime is 22443042047. The reversal of 22443042002 is 20024034422.

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., 22431352441 + 11689561 = 149771^2 + 3419^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610760499 + ... + 5610760502.

Almost surely, 2^22443042002 is an apocalyptic number.

22443042002 is a deficient number, since it is larger than the sum of its proper divisors (11221521004).

22443042002 is a wasteful number, since it uses less digits than its factorization.

22443042002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221521003.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22443042002 its reverse (20024034422), we get a palindrome (42467076424).

The spelling of 22443042002 in words is "twenty-two billion, four hundred forty-three million, forty-two thousand, two".