243222230 has 64 divisors (see below), whose sum is σ = 491520960. Its totient is φ = 86114304.

The previous prime is 243222197. The next prime is 243222253. The reversal of 243222230 is 32222342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 829964 + ... + 830256.

It is an arithmetic number, because the mean of its divisors is an integer number (7680015).

Almost surely, 2^243222230 is an apocalyptic number.

243222230 is an abundant number, since it is smaller than the sum of its proper divisors (248298730).

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

243222230 is a wasteful number, since it uses less digits than its factorization.

243222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 243222230 is about 15595.5836697445. The cubic root of 243222230 is about 624.2153181847.

Adding to 243222230 its reverse (32222342), we get a palindrome (275444572).

The spelling of 243222230 in words is "two hundred forty-three million, two hundred twenty-two thousand, two hundred thirty".