242224641 has 8 divisors (see below), whose sum is σ = 358851360. Its totient is φ = 161483076.

The previous prime is 242224603. The next prime is 242224643. The reversal of 242224641 is 146422242.

It is not a de Polignac number, because 242224641 - 2⁷ = 242224513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8971283 = 242224641 / (2 + 4 + 2 + 2 + 2 + 4 + 6 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (242224643) 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, 4485615 + ... + 4485668.

It is an arithmetic number, because the mean of its divisors is an integer number (44856420).

Almost surely, 2^242224641 is an apocalyptic number.

It is an amenable number.

242224641 is a deficient number, since it is larger than the sum of its proper divisors (116626719).

242224641 is an equidigital number, since it uses as much as digits as its factorization.

242224641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8971292 (or 8971286 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 242224641 is about 15563.5677465034. The cubic root of 242224641 is about 623.3607312222.

Adding to 242224641 its reverse (146422242), we get a palindrome (388646883).

The spelling of 242224641 in words is "two hundred forty-two million, two hundred twenty-four thousand, six hundred forty-one".