242978322 has 8 divisors (see below), whose sum is σ = 485956656. Its totient is φ = 80992772.

The previous prime is 242978321. The next prime is 242978353. The reversal of 242978322 is 223879242.

It is a sphenic number, since it is the product of 3 distinct primes.

242978322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (242978321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20248188 + ... + 20248199.

It is an arithmetic number, because the mean of its divisors is an integer number (60744582).

Almost surely, 2^242978322 is an apocalyptic number.

242978322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

242978322 is a wasteful number, since it uses less digits than its factorization.

242978322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40496392.

The product of its digits is 96768, while the sum is 39.

The square root of 242978322 is about 15587.7619304376. The cubic root of 242978322 is about 624.0065899616.

The spelling of 242978322 in words is "two hundred forty-two million, nine hundred seventy-eight thousand, three hundred twenty-two".