22421304243 has 12 divisors (see below), whose sum is σ = 34877584560. Its totient is φ = 13797725616.

The previous prime is 22421304223. The next prime is 22421304247. The reversal of 22421304243 is 34240312422.

22421304243 is a `hidden beast` number, since 2 + 24 + 213 + 0 + 424 + 3 = 666.

It is not a de Polignac number, because 22421304243 - 2¹⁴ = 22421287859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22421304247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95817423 + ... + 95817656.

It is an arithmetic number, because the mean of its divisors is an integer number (2906465380).

Almost surely, 2^22421304243 is an apocalyptic number.

22421304243 is a deficient number, since it is larger than the sum of its proper divisors (12456280317).

22421304243 is a wasteful number, since it uses less digits than its factorization.

22421304243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191635098 (or 191635095 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22421304243 its reverse (34240312422), we get a palindrome (56661616665).

The spelling of 22421304243 in words is "twenty-two billion, four hundred twenty-one million, three hundred four thousand, two hundred forty-three".