22100232212 has 12 divisors (see below), whose sum is σ = 38679735360. Its totient is φ = 11048879256.

The previous prime is 22100232191. The next prime is 22100232239. The reversal of 22100232212 is 21223200122.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 268412 + ... + 340947.

It is an arithmetic number, because the mean of its divisors is an integer number (3223311280).

Almost surely, 2^22100232212 is an apocalyptic number.

It is an amenable number.

22100232212 is a deficient number, since it is larger than the sum of its proper divisors (16579503148).

22100232212 is a wasteful number, since it uses less digits than its factorization.

22100232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618430 (or 618428 counting only the distinct ones).

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

Adding to 22100232212 its reverse (21223200122), we get a palindrome (43323432334).

The spelling of 22100232212 in words is "twenty-two billion, one hundred million, two hundred thirty-two thousand, two hundred twelve".