22133221032 has 128 divisors (see below), whose sum is σ = 62673730560. Its totient is φ = 6466037760.

The previous prime is 22133221027. The next prime is 22133221091. The reversal of 22133221032 is 23012233122.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491028 + ... + 534204.

It is an arithmetic number, because the mean of its divisors is an integer number (489638520).

Almost surely, 2^22133221032 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 22133221032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31336865280).

22133221032 is an abundant number, since it is smaller than the sum of its proper divisors (40540509528).

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

22133221032 is a wasteful number, since it uses less digits than its factorization.

22133221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43283 (or 43279 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22133221032 its reverse (23012233122), we get a palindrome (45145454154).

The spelling of 22133221032 in words is "twenty-two billion, one hundred thirty-three million, two hundred twenty-one thousand, thirty-two".