243022294 has 4 divisors (see below), whose sum is σ = 364533444. Its totient is φ = 121511146.

The previous prime is 243022229. The next prime is 243022313. The reversal of 243022294 is 492220342.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 60755572 + ... + 60755575.

It is an arithmetic number, because the mean of its divisors is an integer number (91133361).

Almost surely, 2^243022294 is an apocalyptic number.

243022294 is a deficient number, since it is larger than the sum of its proper divisors (121511150).

243022294 is a wasteful number, since it uses less digits than its factorization.

243022294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121511149.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 243022294 is about 15589.1723321028. The cubic root of 243022294 is about 624.0442300311.

The spelling of 243022294 in words is "two hundred forty-three million, twenty-two thousand, two hundred ninety-four".