233220131021222 has 16 divisors (see below), whose sum is σ = 352161338770080. Its totient is φ = 115833955997568.

The previous prime is 233220131021201. The next prime is 233220131021261. The reversal of 233220131021222 is 222120131022332.

It is a super-2 number, since 2×233220131021222² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233220131021191 and 233220131021200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233976773 + ... + 234971424.

It is an arithmetic number, because the mean of its divisors is an integer number (22010083673130).

Almost surely, 2^{233220131021222} is an apocalyptic number.

233220131021222 is a deficient number, since it is larger than the sum of its proper divisors (118941207748858).

233220131021222 is a wasteful number, since it uses less digits than its factorization.

233220131021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468949855.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 233220131021222 its reverse (222120131022332), we get a palindrome (455340262043554).

The spelling of 233220131021222 in words is "two hundred thirty-three trillion, two hundred twenty billion, one hundred thirty-one million, twenty-one thousand, two hundred twenty-two".