242233221 has 8 divisors (see below), whose sum is σ = 341976384. Its totient is φ = 151989440.

The previous prime is 242233213. The next prime is 242233247. The reversal of 242233221 is 122332242.

242233221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 242233221 - 2³ = 242233213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242233421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374785 + ... + 2374886.

It is an arithmetic number, because the mean of its divisors is an integer number (42747048).

Almost surely, 2^242233221 is an apocalyptic number.

It is an amenable number.

242233221 is a deficient number, since it is larger than the sum of its proper divisors (99743163).

242233221 is a wasteful number, since it uses less digits than its factorization.

242233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749691.

The product of its digits is 1152, while the sum is 21.

The square root of 242233221 is about 15563.8433878011. The cubic root of 242233221 is about 623.3680912936.

Adding to 242233221 its reverse (122332242), we get a palindrome (364565463).

The spelling of 242233221 in words is "two hundred forty-two million, two hundred thirty-three thousand, two hundred twenty-one".