242766215 has 16 divisors (see below), whose sum is σ = 294617088. Its totient is φ = 192026016.

The previous prime is 242766197. The next prime is 242766241. The reversal of 242766215 is 512667242.

242766215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 242766215 - 2⁶ = 242766151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280874 + ... + 281736.

It is an arithmetic number, because the mean of its divisors is an integer number (18413568).

Almost surely, 2^242766215 is an apocalyptic number.

242766215 is a deficient number, since it is larger than the sum of its proper divisors (51850873).

242766215 is a wasteful number, since it uses less digits than its factorization.

242766215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its digits is 40320, while the sum is 35.

The square root of 242766215 is about 15580.9568063069. The cubic root of 242766215 is about 623.8249623763.

The spelling of 242766215 in words is "two hundred forty-two million, seven hundred sixty-six thousand, two hundred fifteen".