21233022292 has 24 divisors (see below), whose sum is σ = 37705312512. Its totient is φ = 10460268000.

The previous prime is 21233022259. The next prime is 21233022301. The reversal of 21233022292 is 29222033212.

It is a self number, because there is not a number n which added to its sum of digits gives 21233022292.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 434917 + ... + 481267.

It is an arithmetic number, because the mean of its divisors is an integer number (1571054688).

Almost surely, 2^21233022292 is an apocalyptic number.

It is an amenable number.

21233022292 is a deficient number, since it is larger than the sum of its proper divisors (16472290220).

21233022292 is a wasteful number, since it uses less digits than its factorization.

21233022292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48039 (or 48037 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 21233022292 in words is "twenty-one billion, two hundred thirty-three million, twenty-two thousand, two hundred ninety-two".