242209711 has 16 divisors (see below), whose sum is σ = 265786560. Its totient is φ = 219985920.

The previous prime is 242209697. The next prime is 242209771. The reversal of 242209711 is 117902242.

It is a cyclic number.

It is not a de Polignac number, because 242209711 - 2⁹ = 242209199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242209711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242209771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37711 + ... + 43663.

It is an arithmetic number, because the mean of its divisors is an integer number (16611660).

Almost surely, 2^242209711 is an apocalyptic number.

242209711 is a deficient number, since it is larger than the sum of its proper divisors (23576849).

242209711 is a wasteful number, since it uses less digits than its factorization.

242209711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6066.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 242209711 is about 15563.0880933059. The cubic root of 242209711 is about 623.3479235975.

The spelling of 242209711 in words is "two hundred forty-two million, two hundred nine thousand, seven hundred eleven".