242447272 has 32 divisors (see below), whose sum is σ = 463896000. Its totient is φ = 118761984.

The previous prime is 242447243. The next prime is 242447299. The reversal of 242447272 is 272744242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105528 + ... + 107800.

It is an arithmetic number, because the mean of its divisors is an integer number (14496750).

Almost surely, 2^242447272 is an apocalyptic number.

It is an amenable number.

242447272 is a deficient number, since it is larger than the sum of its proper divisors (221448728).

242447272 is a wasteful number, since it uses less digits than its factorization.

242447272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545 (or 2541 counting only the distinct ones).

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

The square root of 242447272 is about 15570.7184163095. The cubic root of 242447272 is about 623.5516516921.

The spelling of 242447272 in words is "two hundred forty-two million, four hundred forty-seven thousand, two hundred seventy-two".