22201223220002 has 4 divisors (see below), whose sum is σ = 33301834830006. Its totient is φ = 11100611610000.

The previous prime is 22201223219891. The next prime is 22201223220013. The reversal of 22201223220002 is 20002232210222.

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., 22191457629961 + 9765590041 = 4710781^2 + 98821^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550305804999 + ... + 5550305805002.

Almost surely, 2^{22201223220002} is an apocalyptic number.

22201223220002 is a deficient number, since it is larger than the sum of its proper divisors (11100611610004).

22201223220002 is a wasteful number, since it uses less digits than its factorization.

22201223220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100611610003.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22201223220002 its reverse (20002232210222), we get a palindrome (42203455430224).

The spelling of 22201223220002 in words is "twenty-two trillion, two hundred one billion, two hundred twenty-three million, two hundred twenty thousand, two".