231332020222 has 4 divisors (see below), whose sum is σ = 346998030336. Its totient is φ = 115666010110.

The previous prime is 231332020217. The next prime is 231332020267. The reversal of 231332020222 is 222020233132.

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

It is a junction number, because it is equal to n+sod(n) for n = 231332020193 and 231332020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57833005054 + ... + 57833005057.

It is an arithmetic number, because the mean of its divisors is an integer number (86749507584).

Almost surely, 2^231332020222 is an apocalyptic number.

231332020222 is a deficient number, since it is larger than the sum of its proper divisors (115666010114).

231332020222 is a wasteful number, since it uses less digits than its factorization.

231332020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115666010113.

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

Adding to 231332020222 its reverse (222020233132), we get a palindrome (453352253354).

The spelling of 231332020222 in words is "two hundred thirty-one billion, three hundred thirty-two million, twenty thousand, two hundred twenty-two".