233222122031 has 4 divisors (see below), whose sum is σ = 241264264200. Its totient is φ = 225179979864.

The previous prime is 233222121943. The next prime is 233222122033. The reversal of 233222122031 is 130221222332.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233222122031 is a prime.

It is a super-2 number, since 2×233222122031² (a number of 24 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 = 233222121988 and 233222122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233222122033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4021071041 + ... + 4021071098.

It is an arithmetic number, because the mean of its divisors is an integer number (60316066050).

Almost surely, 2^233222122031 is an apocalyptic number.

233222122031 is a deficient number, since it is larger than the sum of its proper divisors (8042142169).

233222122031 is an equidigital number, since it uses as much as digits as its factorization.

233222122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042142168.

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

Adding to 233222122031 its reverse (130221222332), we get a palindrome (363443344363).

The spelling of 233222122031 in words is "two hundred thirty-three billion, two hundred twenty-two million, one hundred twenty-two thousand, thirty-one".