242224305 has 16 divisors (see below), whose sum is σ = 389530944. Its totient is φ = 128528960.

The previous prime is 242224303. The next prime is 242224309. The reversal of 242224305 is 503422242.

It is a happy number.

It is not a de Polignac number, because 242224305 - 2¹ = 242224303 is a prime.

It is a super-2 number, since 2×242224305² = 117345227865466050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242224303) 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, 38031 + ... + 43940.

It is an arithmetic number, because the mean of its divisors is an integer number (24345684).

Almost surely, 2^242224305 is an apocalyptic number.

It is an amenable number.

242224305 is a deficient number, since it is larger than the sum of its proper divisors (147306639).

242224305 is a wasteful number, since it uses less digits than its factorization.

242224305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82176.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 242224305 is about 15563.5569520595. The cubic root of 242224305 is about 623.3604429921.

Adding to 242224305 its reverse (503422242), we get a palindrome (745646547).

The spelling of 242224305 in words is "two hundred forty-two million, two hundred twenty-four thousand, three hundred five".