232140222 has 32 divisors (see below), whose sum is σ = 518054400. Its totient is φ = 77052024.

The previous prime is 232140221. The next prime is 232140239. The reversal of 232140222 is 222041232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 232140195 and 232140204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232140221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3913 + ... + 21899.

It is an arithmetic number, because the mean of its divisors is an integer number (16189200).

Almost surely, 2^232140222 is an apocalyptic number.

232140222 is an abundant number, since it is smaller than the sum of its proper divisors (285914178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232140222 is a wasteful number, since it uses less digits than its factorization.

232140222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18237 (or 18231 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 232140222 is about 15236.1485290739. The cubic root of 232140222 is about 614.5871351502.

Adding to 232140222 its reverse (222041232), we get a palindrome (454181454).

The spelling of 232140222 in words is "two hundred thirty-two million, one hundred forty thousand, two hundred twenty-two".