2223003266221 has 8 divisors (see below), whose sum is σ = 2380214999160. Its totient is φ = 2068730070528.

The previous prime is 2223003266191. The next prime is 2223003266269. The reversal of 2223003266221 is 1226623003222.

It can be written as a sum of positive squares in 4 ways, for example, as 697457149321 + 1525546116900 = 835139^2 + 1235130^2 .

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 2223003266221 - 2¹¹ = 2223003264173 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 (2223003266821) 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, 734632746 + ... + 734635771.

It is an arithmetic number, because the mean of its divisors is an integer number (297526874895).

Almost surely, 2^{2223003266221} is an apocalyptic number.

It is an amenable number.

2223003266221 is a deficient number, since it is larger than the sum of its proper divisors (157211732939).

2223003266221 is a wasteful number, since it uses less digits than its factorization.

2223003266221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469268623.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 2223003266221 its reverse (1226623003222), we get a palindrome (3449626269443).

The spelling of 2223003266221 in words is "two trillion, two hundred twenty-three billion, three million, two hundred sixty-six thousand, two hundred twenty-one".