234022220431 has 8 divisors (see below), whose sum is σ = 242855658720. Its totient is φ = 225239695968.

The previous prime is 234022220401. The next prime is 234022220447. The reversal of 234022220431 is 134022220432.

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

It is a cyclic number.

It is not a de Polignac number, because 234022220431 - 2⁹ = 234022219919 is a prime.

It is a super-2 number, since 2×234022220431² (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 = 234022220396 and 234022220405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234022220401) 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, 12719091 + ... + 12737476.

It is an arithmetic number, because the mean of its divisors is an integer number (30356957340).

Almost surely, 2^234022220431 is an apocalyptic number.

234022220431 is a deficient number, since it is larger than the sum of its proper divisors (8833438289).

234022220431 is a wasteful number, since it uses less digits than its factorization.

234022220431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25456913.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 234022220431 its reverse (134022220432), we get a palindrome (368044440863).

Subtracting from 234022220431 its reverse (134022220432), we obtain a palindrome (99999999999).

The spelling of 234022220431 in words is "two hundred thirty-four billion, twenty-two million, two hundred twenty thousand, four hundred thirty-one".