242247727 has 4 divisors (see below), whose sum is σ = 242363016. Its totient is φ = 242132440.

The previous prime is 242247673. The next prime is 242247737. The reversal of 242247727 is 727742242.

242247727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727742242 = 2 ⋅363871121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242247727 is a prime.

It is a super-2 number, since 2×242247727² = 117367922473333058, 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 (242247737) 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, 54433 + ... + 58714.

It is an arithmetic number, because the mean of its divisors is an integer number (60590754).

Almost surely, 2^242247727 is an apocalyptic number.

242247727 is a deficient number, since it is larger than the sum of its proper divisors (115289).

242247727 is a wasteful number, since it uses less digits than its factorization.

242247727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115288.

The product of its digits is 87808, while the sum is 37.

The square root of 242247727 is about 15564.3093968219. The cubic root of 242247727 is about 623.3805343942.

Adding to 242247727 its reverse (727742242), we get a palindrome (969989969).

The spelling of 242247727 in words is "two hundred forty-two million, two hundred forty-seven thousand, seven hundred twenty-seven".