22013011332 has 288 divisors, whose sum is σ = 63764413440. Its totient is φ = 6599491200.

The previous prime is 22013011303. The next prime is 22013011337. The reversal of 22013011332 is 23311031022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22013011337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 145781457 + ... + 145781607.

Almost surely, 2^22013011332 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 22013011332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31882206720).

22013011332 is an abundant number, since it is smaller than the sum of its proper divisors (41751402108).

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

22013011332 is a wasteful number, since it uses less digits than its factorization.

22013011332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22013011332 its reverse (23311031022), we get a palindrome (45324042354).

The spelling of 22013011332 in words is "twenty-two billion, thirteen million, eleven thousand, three hundred thirty-two".