22023030312 has 24 divisors (see below), whose sum is σ = 59645707290. Its totient is φ = 7341010080.

The previous prime is 22023030299. The next prime is 22023030317. The reversal of 22023030312 is 21303032022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13341636036 + 8681394276 = 115506^2 + 93174^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22023030317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152937639 + ... + 152937782.

Almost surely, 2^22023030312 is an apocalyptic number.

It is an amenable number.

22023030312 is an abundant number, since it is smaller than the sum of its proper divisors (37622676978).

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

22023030312 is a wasteful number, since it uses less digits than its factorization.

22023030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305875433 (or 305875426 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22023030312 its reverse (21303032022), we get a palindrome (43326062334).

The spelling of 22023030312 in words is "twenty-two billion, twenty-three million, thirty thousand, three hundred twelve".