22333132220 has 192 divisors, whose sum is σ = 58803978240. Its totient is φ = 6947942400.

The previous prime is 22333132219. The next prime is 22333132231. The reversal of 22333132220 is 2223133322.

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 31061021 + ... + 31061739.

It is an arithmetic number, because the mean of its divisors is an integer number (306270720).

Almost surely, 2^22333132220 is an apocalyptic number.

22333132220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22333132220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29401989120).

22333132220 is an abundant number, since it is smaller than the sum of its proper divisors (36470846020).

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

22333132220 is a wasteful number, since it uses less digits than its factorization.

22333132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22333132220 its reverse (2223133322), we get a palindrome (24556265542).

The spelling of 22333132220 in words is "twenty-two billion, three hundred thirty-three million, one hundred thirty-two thousand, two hundred twenty".