10922872221 has 32 divisors (see below), whose sum is σ = 16257024000. Its totient is φ = 7248262320.

The previous prime is 10922872199. The next prime is 10922872223. The reversal of 10922872221 is 12227822901.

It is not a de Polignac number, because 10922872221 - 2⁹ = 10922871709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10922872223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6969780 + ... + 6971346.

It is an arithmetic number, because the mean of its divisors is an integer number (508032000).

Almost surely, 2^10922872221 is an apocalyptic number.

It is an amenable number.

10922872221 is a deficient number, since it is larger than the sum of its proper divisors (5334151779).

10922872221 is a wasteful number, since it uses less digits than its factorization.

10922872221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606 (or 2600 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 10922872221 in words is "ten billion, nine hundred twenty-two million, eight hundred seventy-two thousand, two hundred twenty-one".