22000223232 has 264 divisors, whose sum is σ = 69885169536. Its totient is φ = 6623576064.

The previous prime is 22000223197. The next prime is 22000223263. The reversal of 22000223232 is 23232200022.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5629023 + ... + 5632929.

Almost surely, 2^22000223232 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 22000223232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34942584768).

22000223232 is an abundant number, since it is smaller than the sum of its proper divisors (47884946304).

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

22000223232 is a wasteful number, since it uses less digits than its factorization.

22000223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993 (or 3972 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22000223232 its reverse (23232200022), we get a palindrome (45232423254).

The spelling of 22000223232 in words is "twenty-two billion, two hundred twenty-three thousand, two hundred thirty-two".