242747242 has 4 divisors (see below), whose sum is σ = 364120866. Its totient is φ = 121373620.

The previous prime is 242747227. The next prime is 242747257.

242747242 is nontrivially palindromic in base 10.

242747242 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.

It is an interprime number because it is at equal distance from previous prime (242747227) and next prime (242747257).

It can be written as a sum of positive squares in only one way, i.e., 166900561 + 75846681 = 12919^2 + 8709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242747198 and 242747207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60686809 + ... + 60686812.

Almost surely, 2^242747242 is an apocalyptic number.

242747242 is a deficient number, since it is larger than the sum of its proper divisors (121373624).

242747242 is a wasteful number, since it uses less digits than its factorization.

242747242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121373623.

The product of its digits is 50176, while the sum is 34.

The square root of 242747242 is about 15580.3479421995. The cubic root of 242747242 is about 623.8087106100.

The spelling of 242747242 in words is "two hundred forty-two million, seven hundred forty-seven thousand, two hundred forty-two".