233022022231 has 4 divisors (see below), whose sum is σ = 233520999192. Its totient is φ = 232523045272.

The previous prime is 233022022217. The next prime is 233022022273. The reversal of 233022022231 is 132220220332.

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

It is a cyclic number.

It is not a de Polignac number, because 233022022231 - 2¹¹ = 233022020183 is a prime.

It is a super-2 number, since 2×233022022231² (a number of 24 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 (233022022291) 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, 249487780 + ... + 249488713.

It is an arithmetic number, because the mean of its divisors is an integer number (58380249798).

Almost surely, 2^233022022231 is an apocalyptic number.

233022022231 is a deficient number, since it is larger than the sum of its proper divisors (498976961).

233022022231 is an equidigital number, since it uses as much as digits as its factorization.

233022022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498976960.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 233022022231 its reverse (132220220332), we get a palindrome (365242242563).

The spelling of 233022022231 in words is "two hundred thirty-three billion, twenty-two million, twenty-two thousand, two hundred thirty-one".