213220132422 has 64 divisors (see below), whose sum is σ = 472164802560. Its totient is φ = 63649591200.

The previous prime is 213220132417. The next prime is 213220132423. The reversal of 213220132422 is 224231022312.

It is a junction number, because it is equal to n+sod(n) for n = 213220132392 and 213220132401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220132423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2263647 + ... + 2355957.

It is an arithmetic number, because the mean of its divisors is an integer number (7377575040).

Almost surely, 2^213220132422 is an apocalyptic number.

213220132422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 213220132422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236082401280).

213220132422 is an abundant number, since it is smaller than the sum of its proper divisors (258944670138).

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

213220132422 is a wasteful number, since it uses less digits than its factorization.

213220132422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92849.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213220132422 its reverse (224231022312), we get a palindrome (437451154734).

The spelling of 213220132422 in words is "two hundred thirteen billion, two hundred twenty million, one hundred thirty-two thousand, four hundred twenty-two".