22322230312 has 8 divisors (see below), whose sum is σ = 41854181850. Its totient is φ = 11161115152.

The previous prime is 22322230303. The next prime is 22322230331. The reversal of 22322230312 is 21303222322.

It can be written as a sum of positive squares in only one way, i.e., 20097598756 + 2224631556 = 141766^2 + 47166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×22322230312³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395139387 + ... + 1395139402.

Almost surely, 2^22322230312 is an apocalyptic number.

It is an amenable number.

22322230312 is a deficient number, since it is larger than the sum of its proper divisors (19531951538).

22322230312 is a wasteful number, since it uses less digits than its factorization.

22322230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790278795 (or 2790278791 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22322230312 its reverse (21303222322), we get a palindrome (43625452634).

The spelling of 22322230312 in words is "twenty-two billion, three hundred twenty-two million, two hundred thirty thousand, three hundred twelve".