213223103222 has 4 divisors (see below), whose sum is σ = 319834654836. Its totient is φ = 106611551610.

The previous prime is 213223103173. The next prime is 213223103227. The reversal of 213223103222 is 222301322312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213223103227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53305775804 + ... + 53305775807.

It is an arithmetic number, because the mean of its divisors is an integer number (79958663709).

Almost surely, 2^213223103222 is an apocalyptic number.

213223103222 is a deficient number, since it is larger than the sum of its proper divisors (106611551614).

213223103222 is a wasteful number, since it uses less digits than its factorization.

213223103222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106611551613.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213223103222 its reverse (222301322312), we get a palindrome (435524425534).

The spelling of 213223103222 in words is "two hundred thirteen billion, two hundred twenty-three million, one hundred three thousand, two hundred twenty-two".