242213146 has 8 divisors (see below), whose sum is σ = 415222560. Its totient is φ = 103805628.

The previous prime is 242213141. The next prime is 242213189. The reversal of 242213146 is 641312242.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 242213146.

It is not an unprimeable number, because it can be changed into a prime (242213141) 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, 8650456 + ... + 8650483.

It is an arithmetic number, because the mean of its divisors is an integer number (51902820).

Almost surely, 2^242213146 is an apocalyptic number.

242213146 is a deficient number, since it is larger than the sum of its proper divisors (173009414).

242213146 is a wasteful number, since it uses less digits than its factorization.

242213146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17300948.

The product of its digits is 2304, while the sum is 25.

The square root of 242213146 is about 15563.1984501901. The cubic root of 242213146 is about 623.3508703414.

Adding to 242213146 its reverse (641312242), we get a palindrome (883525388).

The spelling of 242213146 in words is "two hundred forty-two million, two hundred thirteen thousand, one hundred forty-six".