243221362 has 8 divisors (see below), whose sum is σ = 365500656. Its totient is φ = 121387812.

The previous prime is 243221359. The next prime is 243221371. The reversal of 243221362 is 263122342.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110068 + ... + 112255.

It is an arithmetic number, because the mean of its divisors is an integer number (45687582).

Almost surely, 2^243221362 is an apocalyptic number.

243221362 is a deficient number, since it is larger than the sum of its proper divisors (122279294).

243221362 is a wasteful number, since it uses less digits than its factorization.

243221362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222872.

The product of its digits is 3456, while the sum is 25.

The square root of 243221362 is about 15595.5558413286. Note that the first 3 decimals coincide. The cubic root of 243221362 is about 624.2145756271.

The spelling of 243221362 in words is "two hundred forty-three million, two hundred twenty-one thousand, three hundred sixty-two".