242768822 has 4 divisors (see below), whose sum is σ = 364153236. Its totient is φ = 121384410.

The previous prime is 242768821. The next prime is 242768839. The reversal of 242768822 is 228867242.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 242768822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242768821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60692204 + ... + 60692207.

It is an arithmetic number, because the mean of its divisors is an integer number (91038309).

Almost surely, 2^242768822 is an apocalyptic number.

242768822 is a deficient number, since it is larger than the sum of its proper divisors (121384414).

242768822 is a wasteful number, since it uses less digits than its factorization.

242768822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121384413.

The product of its digits is 172032, while the sum is 41.

The square root of 242768822 is about 15581.0404658996. The cubic root of 242768822 is about 623.8271953969.

The spelling of 242768822 in words is "two hundred forty-two million, seven hundred sixty-eight thousand, eight hundred twenty-two".