222303212231 has 16 divisors (see below), whose sum is σ = 236667744000. Its totient is φ = 208082717568.

The previous prime is 222303212227. The next prime is 222303212233. The reversal of 222303212231 is 132212303222.

It is a cyclic number.

It is not a de Polignac number, because 222303212231 - 2² = 222303212227 is a prime.

It is a super-2 number, since 2×222303212231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222303212197 and 222303212206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222303212233) 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, 8305436 + ... + 8332158.

It is an arithmetic number, because the mean of its divisors is an integer number (14791734000).

Almost surely, 2^222303212231 is an apocalyptic number.

222303212231 is a deficient number, since it is larger than the sum of its proper divisors (14364531769).

222303212231 is a wasteful number, since it uses less digits than its factorization.

222303212231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29398.

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

Adding to 222303212231 its reverse (132212303222), we get a palindrome (354515515453).

Subtracting from 222303212231 its reverse (132212303222), we obtain a palindrome (90090909009).

The spelling of 222303212231 in words is "two hundred twenty-two billion, three hundred three million, two hundred twelve thousand, two hundred thirty-one".