22123300232 has 24 divisors (see below), whose sum is σ = 45595026750. Its totient is φ = 10056045120.

The previous prime is 22123300231. The next prime is 22123300271. The reversal of 22123300232 is 23200332122.

It can be written as a sum of positive squares in only one way, i.e., 17874085636 + 4249214596 = 133694^2 + 65186^2 .

It is a super-2 number, since 2×22123300232² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22123300231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11426357 + ... + 11428292.

Almost surely, 2^22123300232 is an apocalyptic number.

22123300232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22123300232 is an abundant number, since it is smaller than the sum of its proper divisors (23471726518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123300232 is a wasteful number, since it uses less digits than its factorization.

22123300232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22854677 (or 22854662 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22123300232 its reverse (23200332122), we get a palindrome (45323632354).

The spelling of 22123300232 in words is "twenty-two billion, one hundred twenty-three million, three hundred thousand, two hundred thirty-two".