242275278 has 32 divisors (see below), whose sum is σ = 554363136. Its totient is φ = 69147648.

The previous prime is 242275259. The next prime is 242275291. The reversal of 242275278 is 872572242.

It is a happy 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, 45925 + ... + 50927.

It is an arithmetic number, because the mean of its divisors is an integer number (17323848).

Almost surely, 2^242275278 is an apocalyptic number.

242275278 is an abundant number, since it is smaller than the sum of its proper divisors (312087858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242275278 is a wasteful number, since it uses less digits than its factorization.

242275278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168.

The product of its digits is 125440, while the sum is 39.

The square root of 242275278 is about 15565.1944414453. The cubic root of 242275278 is about 623.4041659968.

The spelling of 242275278 in words is "two hundred forty-two million, two hundred seventy-five thousand, two hundred seventy-eight".