22133213500 has 24 divisors (see below), whose sum is σ = 48338939376. Its totient is φ = 8853285200.

The previous prime is 22133213489. The next prime is 22133213503. The reversal of 22133213500 is 531233122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133213503) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22132714 + ... + 22133713.

It is an arithmetic number, because the mean of its divisors is an integer number (2014122474).

Almost surely, 2^22133213500 is an apocalyptic number.

22133213500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22133213500 is an abundant number, since it is smaller than the sum of its proper divisors (26205725876).

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

22133213500 is a wasteful number, since it uses less digits than its factorization.

22133213500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44266446 (or 44266434 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 22133213500 its reverse (531233122), we get a palindrome (22664446622).

The spelling of 22133213500 in words is "twenty-two billion, one hundred thirty-three million, two hundred thirteen thousand, five hundred".