243227115 has 24 divisors (see below), whose sum is σ = 430567488. Its totient is φ = 126960000.

The previous prime is 243227111. The next prime is 243227203. The reversal of 243227115 is 511722342.

It is not a de Polignac number, because 243227115 - 2² = 243227111 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (243227111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55386 + ... + 59615.

It is an arithmetic number, because the mean of its divisors is an integer number (17940312).

Almost surely, 2^243227115 is an apocalyptic number.

243227115 is a deficient number, since it is larger than the sum of its proper divisors (187340373).

243227115 is a wasteful number, since it uses less digits than its factorization.

243227115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115059 (or 115056 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 243227115 is about 15595.7402838083. The cubic root of 243227115 is about 624.2194971770.

Adding to 243227115 its reverse (511722342), we get a palindrome (754949457).

It can be divided in two parts, 243227 and 115, that added together give a palindrome (243342).

The spelling of 243227115 in words is "two hundred forty-three million, two hundred twenty-seven thousand, one hundred fifteen".