22011256032 has 96 divisors (see below), whose sum is σ = 58261109760. Its totient is φ = 7276200960.

The previous prime is 22011255989. The next prime is 22011256051. The reversal of 22011256032 is 23065211022.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 22011255993 and 22011256011.

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, 6013819 + ... + 6017477.

It is an arithmetic number, because the mean of its divisors is an integer number (606886560).

Almost surely, 2^22011256032 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 22011256032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29130554880).

22011256032 is an abundant number, since it is smaller than the sum of its proper divisors (36249853728).

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

22011256032 is a wasteful number, since it uses less digits than its factorization.

22011256032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176 (or 4168 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 22011256032 its reverse (23065211022), we get a palindrome (45076467054).

The spelling of 22011256032 in words is "twenty-two billion, eleven million, two hundred fifty-six thousand, thirty-two".