242283909 has 16 divisors (see below), whose sum is σ = 385247232. Its totient is φ = 132428208.

The previous prime is 242283907. The next prime is 242283911. The reversal of 242283909 is 909382242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242283907) and next prime (242283911).

It is not a de Polignac number, because 242283909 - 2¹ = 242283907 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242283907) 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, 250329 + ... + 251294.

It is an arithmetic number, because the mean of its divisors is an integer number (24077952).

Almost surely, 2^242283909 is an apocalyptic number.

It is an amenable number.

242283909 is a deficient number, since it is larger than the sum of its proper divisors (142963323).

242283909 is a wasteful number, since it uses less digits than its factorization.

242283909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501656.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 242283909 is about 15565.4716921782. The cubic root of 242283909 is about 623.4115687847.

The spelling of 242283909 in words is "two hundred forty-two million, two hundred eighty-three thousand, nine hundred nine".