21223202322032 has 40 divisors (see below), whose sum is σ = 43286492463360. Its totient is φ = 10052554714560.

The previous prime is 21223202322031. The next prime is 21223202322037. The reversal of 21223202322032 is 23022320232212.

It is a junction number, because it is equal to n+sod(n) for n = 21223202321992 and 21223202322010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223202322031) 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, 3806423 + ... + 7545545.

It is an arithmetic number, because the mean of its divisors is an integer number (1082162311584).

Almost surely, 2^{21223202322032} is an apocalyptic number.

It is an amenable number.

21223202322032 is an abundant number, since it is smaller than the sum of its proper divisors (22063290141328).

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

21223202322032 is a wasteful number, since it uses less digits than its factorization.

21223202322032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757821 (or 3757815 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 21223202322032 its reverse (23022320232212), we get a palindrome (44245522554244).

The spelling of 21223202322032 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred two million, three hundred twenty-two thousand, thirty-two".