22424120321 has 32 divisors (see below), whose sum is σ = 24661739520. Its totient is φ = 20318126400.

The previous prime is 22424120291. The next prime is 22424120339. The reversal of 22424120321 is 12302142422.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22424120321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22424120021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7836431 + ... + 7839291.

It is an arithmetic number, because the mean of its divisors is an integer number (770679360).

Almost surely, 2^22424120321 is an apocalyptic number.

It is an amenable number.

22424120321 is a deficient number, since it is larger than the sum of its proper divisors (2237619199).

22424120321 is a wasteful number, since it uses less digits than its factorization.

22424120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22424120321 its reverse (12302142422), we get a palindrome (34726262743).

The spelling of 22424120321 in words is "twenty-two billion, four hundred twenty-four million, one hundred twenty thousand, three hundred twenty-one".