22430331212 has 12 divisors (see below), whose sum is σ = 41319031320. Its totient is φ = 10624893696.

The previous prime is 22430331169. The next prime is 22430331229. The reversal of 22430331212 is 21213303422.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147567893 + ... + 147568044.

It is an arithmetic number, because the mean of its divisors is an integer number (3443252610).

Almost surely, 2^22430331212 is an apocalyptic number.

It is an amenable number.

22430331212 is a deficient number, since it is larger than the sum of its proper divisors (18888700108).

22430331212 is a wasteful number, since it uses less digits than its factorization.

22430331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295135960 (or 295135958 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22430331212 its reverse (21213303422), we get a palindrome (43643634634).

The spelling of 22430331212 in words is "twenty-two billion, four hundred thirty million, three hundred thirty-one thousand, two hundred twelve".