213220022344 has 32 divisors (see below), whose sum is σ = 456976555200. Its totient is φ = 91364708160.

The previous prime is 213220022329. The next prime is 213220022399. The reversal of 213220022344 is 443220022312.

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 7 ways as a sum of consecutive naturals, for example, 21859 + ... + 653389.

It is an arithmetic number, because the mean of its divisors is an integer number (14280517350).

Almost surely, 2^213220022344 is an apocalyptic number.

It is an amenable number.

213220022344 is an abundant number, since it is smaller than the sum of its proper divisors (243756532856).

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

213220022344 is a wasteful number, since it uses less digits than its factorization.

213220022344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637573 (or 637569 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 213220022344 its reverse (443220022312), we get a palindrome (656440044656).

The spelling of 213220022344 in words is "two hundred thirteen billion, two hundred twenty million, twenty-two thousand, three hundred forty-four".