22232301212 has 24 divisors (see below), whose sum is σ = 42840161280. Its totient is φ = 10011144560.

The previous prime is 22232301181. The next prime is 22232301229. The reversal of 22232301212 is 21210323222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356412 + ... + 2365827.

It is an arithmetic number, because the mean of its divisors is an integer number (1785006720).

Almost surely, 2^22232301212 is an apocalyptic number.

22232301212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22232301212 is a deficient number, since it is larger than the sum of its proper divisors (20607860068).

22232301212 is a wasteful number, since it uses less digits than its factorization.

22232301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722361 (or 4722359 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22232301212 its reverse (21210323222), we get a palindrome (43442624434).

The spelling of 22232301212 in words is "twenty-two billion, two hundred thirty-two million, three hundred one thousand, two hundred twelve".