22200233221 has 4 divisors (see below), whose sum is σ = 22267303744. Its totient is φ = 22133162700.

The previous prime is 22200233203. The next prime is 22200233261. The reversal of 22200233221 is 12233200222.

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 22200233221 - 2⁷ = 22200233093 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 (22200233261) 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 in 3 ways as a sum of consecutive naturals, for example, 33534765 + ... + 33535426.

It is an arithmetic number, because the mean of its divisors is an integer number (5566825936).

Almost surely, 2^22200233221 is an apocalyptic number.

It is an amenable number.

22200233221 is a deficient number, since it is larger than the sum of its proper divisors (67070523).

22200233221 is an equidigital number, since it uses as much as digits as its factorization.

22200233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67070522.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22200233221 its reverse (12233200222), we get a palindrome (34433433443).

The spelling of 22200233221 in words is "twenty-two billion, two hundred million, two hundred thirty-three thousand, two hundred twenty-one".