22423206312 has 192 divisors, whose sum is σ = 70723860480. Its totient is φ = 6355224576.

The previous prime is 22423206293. The next prime is 22423206313. The reversal of 22423206312 is 21360232422.

It is a happy number.

22423206312 is a `hidden beast` number, since 2 + 2 + 4 + 2 + 3 + 20 + 631 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (22423206313) 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 47 ways as a sum of consecutive naturals, for example, 732873 + ... + 762855.

It is an arithmetic number, because the mean of its divisors is an integer number (368353440).

Almost surely, 2^22423206312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22423206312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35361930240).

22423206312 is an abundant number, since it is smaller than the sum of its proper divisors (48300654168).

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

22423206312 is a wasteful number, since it uses less digits than its factorization.

22423206312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30072 (or 30065 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 22423206312 its reverse (21360232422), we get a palindrome (43783438734).

The spelling of 22423206312 in words is "twenty-two billion, four hundred twenty-three million, two hundred six thousand, three hundred twelve".