222213211231 has 16 divisors (see below), whose sum is σ = 246117024000. Its totient is φ = 198928572480.

The previous prime is 222213211229. The next prime is 222213211271. The reversal of 222213211231 is 132112312222.

It is not a de Polignac number, because 222213211231 - 2¹ = 222213211229 is a prime.

It is a super-2 number, since 2×222213211231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222213211271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2159995 + ... + 2260531.

It is an arithmetic number, because the mean of its divisors is an integer number (15382314000).

Almost surely, 2^222213211231 is an apocalyptic number.

222213211231 is a deficient number, since it is larger than the sum of its proper divisors (23903812769).

222213211231 is a wasteful number, since it uses less digits than its factorization.

222213211231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103614.

The product of its digits is 576, while the sum is 22.

Adding to 222213211231 its reverse (132112312222), we get a palindrome (354325523453).

The spelling of 222213211231 in words is "two hundred twenty-two billion, two hundred thirteen million, two hundred eleven thousand, two hundred thirty-one".