242231986 has 8 divisors (see below), whose sum is σ = 371798064. Its totient is φ = 118299300.

The previous prime is 242231981. The next prime is 242231999. The reversal of 242231986 is 689132242.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (242231981) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1408240 + ... + 1408411.

It is an arithmetic number, because the mean of its divisors is an integer number (46474758).

Almost surely, 2^242231986 is an apocalyptic number.

242231986 is a deficient number, since it is larger than the sum of its proper divisors (129566078).

242231986 is a wasteful number, since it uses less digits than its factorization.

242231986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816696.

The product of its digits is 41472, while the sum is 37.

The square root of 242231986 is about 15563.8037124605. The cubic root of 242231986 is about 623.3670319001.

The spelling of 242231986 in words is "two hundred forty-two million, two hundred thirty-one thousand, nine hundred eighty-six".