213220222303 has 32 divisors (see below), whose sum is σ = 241149807360. Its totient is φ = 186838928640.

The previous prime is 213220222279. The next prime is 213220222321. The reversal of 213220222303 is 303222022312.

It is a cyclic number.

It is not a de Polignac number, because 213220222303 - 2²⁵ = 213186667871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220222343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42907603 + ... + 42912571.

It is an arithmetic number, because the mean of its divisors is an integer number (7535931480).

Almost surely, 2^213220222303 is an apocalyptic number.

213220222303 is a deficient number, since it is larger than the sum of its proper divisors (27929585057).

213220222303 is a wasteful number, since it uses less digits than its factorization.

213220222303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 213220222303 its reverse (303222022312), we get a palindrome (516442244615).

Subtracting 213220222303 from its reverse (303222022312), we obtain a square (90001800009 = 300003²).

The spelling of 213220222303 in words is "two hundred thirteen billion, two hundred twenty million, two hundred twenty-two thousand, three hundred three".