213322022232 has 128 divisors (see below), whose sum is σ = 596819059200. Its totient is φ = 62977305600.

The previous prime is 213322022227. The next prime is 213322022299. The reversal of 213322022232 is 232220223312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7855494 + ... + 7882602.

It is an arithmetic number, because the mean of its divisors is an integer number (4662648900).

Almost surely, 2^213322022232 is an apocalyptic number.

213322022232 is a gapful number since it is divisible by the number (22) 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 213322022232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298409529600).

213322022232 is an abundant number, since it is smaller than the sum of its proper divisors (383497036968).

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

213322022232 is a wasteful number, since it uses less digits than its factorization.

213322022232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27897 (or 27893 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 213322022232 its reverse (232220223312), we get a palindrome (445542245544).

The spelling of 213322022232 in words is "two hundred thirteen billion, three hundred twenty-two million, twenty-two thousand, two hundred thirty-two".