242231099 has 4 divisors (see below), whose sum is σ = 264252120. Its totient is φ = 220210080.

The previous prime is 242231047. The next prime is 242231131. The reversal of 242231099 is 990132242.

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

It is a cyclic number.

It is not a de Polignac number, because 242231099 - 2⁸ = 242230843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242231999) 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, 11010494 + ... + 11010515.

It is an arithmetic number, because the mean of its divisors is an integer number (66063030).

Almost surely, 2^242231099 is an apocalyptic number.

242231099 is a deficient number, since it is larger than the sum of its proper divisors (22021021).

242231099 is a wasteful number, since it uses less digits than its factorization.

242231099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22021020.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 242231099 is about 15563.7752168296. The cubic root of 242231099 is about 623.3662710217.

The spelling of 242231099 in words is "two hundred forty-two million, two hundred thirty-one thousand, ninety-nine".