22203443003221 has 8 divisors (see below), whose sum is σ = 22255103215160. Its totient is φ = 22151840098752.

The previous prime is 22203443003219. The next prime is 22203443003263. The reversal of 22203443003221 is 12230034430222.

It can be written as a sum of positive squares in 4 ways, for example, as 4245087450321 + 17958355552900 = 2060361^2 + 4237730^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22203443003221 - 2¹ = 22203443003219 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 22203443003221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22203443001221) 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, 13551030 + ... + 15100903.

It is an arithmetic number, because the mean of its divisors is an integer number (2781887901895).

Almost surely, 2^{22203443003221} is an apocalyptic number.

It is an amenable number.

22203443003221 is a deficient number, since it is larger than the sum of its proper divisors (51660211939).

22203443003221 is a wasteful number, since it uses less digits than its factorization.

22203443003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28653735.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22203443003221 its reverse (12230034430222), we get a palindrome (34433477433443).

The spelling of 22203443003221 in words is "twenty-two trillion, two hundred three billion, four hundred forty-three million, three thousand, two hundred twenty-one".