4242243 has 4 divisors (see below), whose sum is σ = 5656328. Its totient is φ = 2828160.

The previous prime is 4242241. The next prime is 4242247. The reversal of 4242243 is 3422424.

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

It is not a de Polignac number, because 4242243 - 2¹ = 4242241 is a prime.

It is a D-number.

It is a Duffinian number.

4242243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4242241) 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, 707038 + ... + 707043.

It is an arithmetic number, because the mean of its divisors is an integer number (1414082).

Almost surely, 2^4242243 is an apocalyptic number.

4242243 is a deficient number, since it is larger than the sum of its proper divisors (1414085).

4242243 is a wasteful number, since it uses less digits than its factorization.

4242243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414084.

The product of its digits is 1536, while the sum is 21.

The square root of 4242243 is about 2059.6706047327. The cubic root of 4242243 is about 161.8819823268.

Adding to 4242243 its reverse (3422424), we get a palindrome (7664667).

The spelling of 4242243 in words is "four million, two hundred forty-two thousand, two hundred forty-three".