242224646 has 8 divisors (see below), whose sum is σ = 375865920. Its totient is φ = 116936008.

The previous prime is 242224643. The next prime is 242224651. The reversal of 242224646 is 646422242.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242224643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2088086 + ... + 2088201.

It is an arithmetic number, because the mean of its divisors is an integer number (46983240).

Almost surely, 2^242224646 is an apocalyptic number.

242224646 is a deficient number, since it is larger than the sum of its proper divisors (133641274).

242224646 is a wasteful number, since it uses less digits than its factorization.

242224646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176318.

The product of its digits is 36864, while the sum is 32.

The square root of 242224646 is about 15563.5679071349. The cubic root of 242224646 is about 623.3607355114.

Adding to 242224646 its reverse (646422242), we get a palindrome (888646888).

The spelling of 242224646 in words is "two hundred forty-two million, two hundred twenty-four thousand, six hundred forty-six".