22002122212 has 12 divisors (see below), whose sum is σ = 44004244480. Its totient is φ = 9429480936.

The previous prime is 22002122209. The next prime is 22002122231. The reversal of 22002122212 is 21222120022.

22002122212 is an admirable number.

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, 392895012 + ... + 392895067.

Almost surely, 2^22002122212 is an apocalyptic number.

It is an amenable number.

22002122212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22002122212 is a wasteful number, since it uses less digits than its factorization.

22002122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785790090 (or 785790088 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22002122212 its reverse (21222120022), we get a palindrome (43224242234).

The spelling of 22002122212 in words is "twenty-two billion, two million, one hundred twenty-two thousand, two hundred twelve".