22323555212 has 12 divisors (see below), whose sum is σ = 44647110480. Its totient is φ = 9567237936.

The previous prime is 22323555203. The next prime is 22323555223. The reversal of 22323555212 is 21255532322.

22323555212 is an admirable number.

It is a super-3 number, since 3×22323555212³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398634887 + ... + 398634942.

It is an arithmetic number, because the mean of its divisors is an integer number (3720592540).

Almost surely, 2^22323555212 is an apocalyptic number.

It is an amenable number.

22323555212 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.

22323555212 is a wasteful number, since it uses less digits than its factorization.

22323555212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797269840 (or 797269838 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The spelling of 22323555212 in words is "twenty-two billion, three hundred twenty-three million, five hundred fifty-five thousand, two hundred twelve".