242278926 has 16 divisors (see below), whose sum is σ = 485218944. Its totient is φ = 80649464.

The previous prime is 242278913. The next prime is 242278961. The reversal of 242278926 is 629872242.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22716 + ... + 31631.

It is an arithmetic number, because the mean of its divisors is an integer number (30326184).

Almost surely, 2^242278926 is an apocalyptic number.

242278926 is an abundant number, since it is smaller than the sum of its proper divisors (242940018).

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

242278926 is a wasteful number, since it uses less digits than its factorization.

242278926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55095.

The product of its digits is 193536, while the sum is 42.

The square root of 242278926 is about 15565.3116255345. The cubic root of 242278926 is about 623.4072948991.

It can be divided in two parts, 24227 and 8926, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 242278926 in words is "two hundred forty-two million, two hundred seventy-eight thousand, nine hundred twenty-six".