21222009983 has 8 divisors (see below), whose sum is σ = 21679416000. Its totient is φ = 20768136480.

The previous prime is 21222009973. The next prime is 21222009989. The reversal of 21222009983 is 38990022212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21222009983 - 2¹⁴ = 21221993599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222009989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870983 + ... + 895016.

It is an arithmetic number, because the mean of its divisors is an integer number (2709927000).

Almost surely, 2^21222009983 is an apocalyptic number.

21222009983 is a deficient number, since it is larger than the sum of its proper divisors (457406017).

21222009983 is a wasteful number, since it uses less digits than its factorization.

21222009983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766257.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 21222009983 in words is "twenty-one billion, two hundred twenty-two million, nine thousand, nine hundred eighty-three".