22200000323021 has 4 divisors (see below), whose sum is σ = 22217303520192. Its totient is φ = 22182697125852.

The previous prime is 22200000322943. The next prime is 22200000323063. The reversal of 22200000323021 is 12032300000222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22200000323021 - 2³⁴ = 22182820453837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200000323071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8651596661 + ... + 8651599226.

It is an arithmetic number, because the mean of its divisors is an integer number (5554325880048).

Almost surely, 2^{22200000323021} is an apocalyptic number.

It is an amenable number.

22200000323021 is a deficient number, since it is larger than the sum of its proper divisors (17303197171).

22200000323021 is a wasteful number, since it uses less digits than its factorization.

22200000323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17303197170.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22200000323021 its reverse (12032300000222), we get a palindrome (34232300323243).

The spelling of 22200000323021 in words is "twenty-two trillion, two hundred billion, three hundred twenty-three thousand, twenty-one".