21222033434032 has 80 divisors (see below), whose sum is σ = 42554433484800. Its totient is φ = 10246473768960.

The previous prime is 21222033434009. The next prime is 21222033434057. The reversal of 21222033434032 is 23043433022212.

It is a junction number, because it is equal to n+sod(n) for n = 21222033433985 and 21222033434003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83579107 + ... + 83832637.

It is an arithmetic number, because the mean of its divisors is an integer number (531930418560).

Almost surely, 2^{21222033434032} is an apocalyptic number.

It is an amenable number.

21222033434032 is an abundant number, since it is smaller than the sum of its proper divisors (21332400050768).

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

21222033434032 is a wasteful number, since it uses less digits than its factorization.

21222033434032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255074 (or 255068 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 21222033434032 its reverse (23043433022212), we get a palindrome (44265466456244).

The spelling of 21222033434032 in words is "twenty-one trillion, two hundred twenty-two billion, thirty-three million, four hundred thirty-four thousand, thirty-two".