242255719 has 16 divisors (see below), whose sum is σ = 264384000. Its totient is φ = 221215104.

The previous prime is 242255707. The next prime is 242255743. The reversal of 242255719 is 917552242.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242255719 is a prime.

It is a super-2 number, since 2×242255719² = 117375666776413922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242255759) 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, 57807 + ... + 61855.

It is an arithmetic number, because the mean of its divisors is an integer number (16524000).

Almost surely, 2^242255719 is an apocalyptic number.

242255719 is a deficient number, since it is larger than the sum of its proper divisors (22128281).

242255719 is a wasteful number, since it uses less digits than its factorization.

242255719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182.

The product of its digits is 50400, while the sum is 37.

The square root of 242255719 is about 15564.5661359384. The cubic root of 242255719 is about 623.3873896391.

The spelling of 242255719 in words is "two hundred forty-two million, two hundred fifty-five thousand, seven hundred nineteen".