22001333232 has 80 divisors (see below), whose sum is σ = 58031785728. Its totient is φ = 7181153280.

The previous prime is 22001333213. The next prime is 22001333251. The reversal of 22001333232 is 23233310022.

It is an interprime number because it is at equal distance from previous prime (22001333213) and next prime (22001333251).

It is a junction number, because it is equal to n+sod(n) for n = 22001333199 and 22001333208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425757 + ... + 474627.

Almost surely, 2^22001333232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22001333232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29015892864).

22001333232 is an abundant number, since it is smaller than the sum of its proper divisors (36030452496).

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

22001333232 is a wasteful number, since it uses less digits than its factorization.

22001333232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49078 (or 49072 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 22001333232 its reverse (23233310022), we get a palindrome (45234643254).

The spelling of 22001333232 in words is "twenty-two billion, one million, three hundred thirty-three thousand, two hundred thirty-two".