213213310422 has 32 divisors (see below), whose sum is σ = 504149702400. Its totient is φ = 58817464608.

The previous prime is 213213310403. The next prime is 213213310423. The reversal of 213213310422 is 224013312312.

It is a super-2 number, since 2×213213310422² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213213310392 and 213213310401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213213310423) 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, 87524772 + ... + 87527207.

It is an arithmetic number, because the mean of its divisors is an integer number (15754678200).

Almost surely, 2^213213310422 is an apocalyptic number.

213213310422 is an abundant number, since it is smaller than the sum of its proper divisors (290936391978).

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

213213310422 is a wasteful number, since it uses less digits than its factorization.

213213310422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175052020.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213213310422 its reverse (224013312312), we get a palindrome (437226622734).

The spelling of 213213310422 in words is "two hundred thirteen billion, two hundred thirteen million, three hundred ten thousand, four hundred twenty-two".