22230234021 has 8 divisors (see below), whose sum is σ = 29669346784. Its totient is φ = 14805638640.

The previous prime is 22230234001. The next prime is 22230234083. The reversal of 22230234021 is 12043203222.

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

It is not a de Polignac number, because 22230234021 - 2¹⁷ = 22230102949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230234001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3625771 + ... + 3631896.

It is an arithmetic number, because the mean of its divisors is an integer number (3708668348).

Almost surely, 2^22230234021 is an apocalyptic number.

It is an amenable number.

22230234021 is a deficient number, since it is larger than the sum of its proper divisors (7439112763).

22230234021 is a wasteful number, since it uses less digits than its factorization.

22230234021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258691.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22230234021 its reverse (12043203222), we get a palindrome (34273437243).

The spelling of 22230234021 in words is "twenty-two billion, two hundred thirty million, two hundred thirty-four thousand, twenty-one".