242213241 has 16 divisors (see below), whose sum is σ = 328519424. Its totient is φ = 158702544.

The previous prime is 242213239. The next prime is 242213267. The reversal of 242213241 is 142312242.

It is not a de Polignac number, because 242213241 - 2¹ = 242213239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242213201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108846 + ... + 111048.

It is an arithmetic number, because the mean of its divisors is an integer number (20532464).

Almost surely, 2^242213241 is an apocalyptic number.

It is an amenable number.

242213241 is a deficient number, since it is larger than the sum of its proper divisors (86306183).

242213241 is a wasteful number, since it uses less digits than its factorization.

242213241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820.

The product of its digits is 768, while the sum is 21.

The square root of 242213241 is about 15563.2015022617. The cubic root of 242213241 is about 623.3509518376.

Adding to 242213241 its reverse (142312242), we get a palindrome (384525483).

Subtracting from 242213241 its reverse (142312242), we obtain a palindrome (99900999).

The spelling of 242213241 in words is "two hundred forty-two million, two hundred thirteen thousand, two hundred forty-one".