243331222 has 8 divisors (see below), whose sum is σ = 371183400. Its totient is φ = 119603424.

The previous prime is 243331219. The next prime is 243331223. The reversal of 243331222 is 222133342.

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

It is a junction number, because it is equal to n+sod(n) for n = 243331193 and 243331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243331223) 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, 1030947 + ... + 1031182.

It is an arithmetic number, because the mean of its divisors is an integer number (46397925).

Almost surely, 2^243331222 is an apocalyptic number.

243331222 is a deficient number, since it is larger than the sum of its proper divisors (127852178).

243331222 is a wasteful number, since it uses less digits than its factorization.

243331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062190.

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

The square root of 243331222 is about 15599.0776009353. The cubic root of 243331222 is about 624.3085447455.

Adding to 243331222 its reverse (222133342), we get a palindrome (465464564).

The spelling of 243331222 in words is "two hundred forty-three million, three hundred thirty-one thousand, two hundred twenty-two".