22231002212 has 24 divisors (see below), whose sum is σ = 40963322400. Its totient is φ = 10527523776.

The previous prime is 22231002191. The next prime is 22231002253. The reversal of 22231002212 is 21220013222.

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, 245048 + ... + 323280.

It is an arithmetic number, because the mean of its divisors is an integer number (1706805100).

Almost surely, 2^22231002212 is an apocalyptic number.

It is an amenable number.

22231002212 is a deficient number, since it is larger than the sum of its proper divisors (18732320188).

22231002212 is a wasteful number, since it uses less digits than its factorization.

22231002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81995 (or 81993 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22231002212 its reverse (21220013222), we get a palindrome (43451015434).

The spelling of 22231002212 in words is "twenty-two billion, two hundred thirty-one million, two thousand, two hundred twelve".