21223433032 has 64 divisors (see below), whose sum is σ = 41823682560. Its totient is φ = 10084065600.

The previous prime is 21223433003. The next prime is 21223433039. The reversal of 21223433032 is 23033432212.

It is a super-3 number, since 3×21223433032³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21223432988 and 21223433006.

It is not an unprimeable number, because it can be changed into a prime (21223433039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4628613 + ... + 4633195.

It is an arithmetic number, because the mean of its divisors is an integer number (653495040).

Almost surely, 2^21223433032 is an apocalyptic number.

It is an amenable number.

21223433032 is a deficient number, since it is larger than the sum of its proper divisors (20600249528).

21223433032 is a wasteful number, since it uses less digits than its factorization.

21223433032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954 (or 4950 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 21223433032 its reverse (23033432212), we get a palindrome (44256865244).

The spelling of 21223433032 in words is "twenty-one billion, two hundred twenty-three million, four hundred thirty-three thousand, thirty-two".