22200022002221 has 8 divisors (see below), whose sum is σ = 25961487524544. Its totient is φ = 18586064931840.

The previous prime is 22200022002211. The next prime is 22200022002313. The reversal of 22200022002221 is 12220022000222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22200022002221 - 2⁶ = 22200022002157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22200022002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200022002211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36877112660 + ... + 36877113261.

It is an arithmetic number, because the mean of its divisors is an integer number (3245185940568).

Almost surely, 2^{22200022002221} is an apocalyptic number.

It is an amenable number.

22200022002221 is a deficient number, since it is larger than the sum of its proper divisors (3761465522323).

22200022002221 is an equidigital number, since it uses as much as digits as its factorization.

22200022002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73754225971.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22200022002221 its reverse (12220022000222), we get a palindrome (34420044002443).

The spelling of 22200022002221 in words is "twenty-two trillion, two hundred billion, twenty-two million, two thousand, two hundred twenty-one".