213320222244 has 48 divisors (see below), whose sum is σ = 567999801600. Its totient is φ = 69184935648.

The previous prime is 213320222191. The next prime is 213320222249. The reversal of 213320222244 is 442222023312.

213320222244 is a `hidden beast` number, since 213 + 3 + 202 + 2 + 2 + 244 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (213320222249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26687724 + ... + 26695715.

It is an arithmetic number, because the mean of its divisors is an integer number (11833329200).

Almost surely, 2^213320222244 is an apocalyptic number.

It is an amenable number.

213320222244 is an abundant number, since it is smaller than the sum of its proper divisors (354679579356).

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

213320222244 is a wasteful number, since it uses less digits than its factorization.

213320222244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53383489 (or 53383481 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 213320222244 its reverse (442222023312), we get a palindrome (655542245556).

The spelling of 213320222244 in words is "two hundred thirteen billion, three hundred twenty million, two hundred twenty-two thousand, two hundred forty-four".