23220434242 has 8 divisors (see below), whose sum is σ = 36663843600. Its totient is φ = 10999153044.

The previous prime is 23220434239. The next prime is 23220434287. The reversal of 23220434242 is 24243402232.

It is a happy number.

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

It is a super-2 number, since 2×23220434242² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23220434242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305531992 + ... + 305532067.

It is an arithmetic number, because the mean of its divisors is an integer number (4582980450).

Almost surely, 2^23220434242 is an apocalyptic number.

23220434242 is a deficient number, since it is larger than the sum of its proper divisors (13443409358).

23220434242 is a wasteful number, since it uses less digits than its factorization.

23220434242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611064080.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 23220434242 its reverse (24243402232), we get a palindrome (47463836474).

The spelling of 23220434242 in words is "twenty-three billion, two hundred twenty million, four hundred thirty-four thousand, two hundred forty-two".