222311022231 has 8 divisors (see below), whose sum is σ = 296497438720. Its totient is φ = 148165976952.

The previous prime is 222311022229. The next prime is 222311022277. The reversal of 222311022231 is 132220113222.

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

It is not a de Polignac number, because 222311022231 - 2¹ = 222311022229 is a prime.

It is a super-2 number, since 2×222311022231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222311022198 and 222311022207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222311022631) 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, 10330261 + ... + 10351758.

It is an arithmetic number, because the mean of its divisors is an integer number (37062179840).

Almost surely, 2^222311022231 is an apocalyptic number.

222311022231 is a deficient number, since it is larger than the sum of its proper divisors (74186416489).

222311022231 is a wasteful number, since it uses less digits than its factorization.

222311022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20685605.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222311022231 its reverse (132220113222), we get a palindrome (354531135453).

Subtracting from 222311022231 its reverse (132220113222), we obtain a palindrome (90090909009).

The spelling of 222311022231 in words is "two hundred twenty-two billion, three hundred eleven million, twenty-two thousand, two hundred thirty-one".