213004042422 has 64 divisors (see below), whose sum is σ = 431546512320. Its totient is φ = 70085942784.

The previous prime is 213004042421. The next prime is 213004042439. The reversal of 213004042422 is 224240400312.

It is a super-2 number, since 2×213004042422² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213004042392 and 213004042401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213004042421) 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, 102949204 + ... + 102951272.

It is an arithmetic number, because the mean of its divisors is an integer number (6742914255).

Almost surely, 2^213004042422 is an apocalyptic number.

213004042422 is an abundant number, since it is smaller than the sum of its proper divisors (218542469898).

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

213004042422 is a wasteful number, since it uses less digits than its factorization.

213004042422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 213004042422 its reverse (224240400312), we get a palindrome (437244442734).

The spelling of 213004042422 in words is "two hundred thirteen billion, four million, forty-two thousand, four hundred twenty-two".