213133422 has 16 divisors (see below), whose sum is σ = 426892032. Its totient is φ = 70940280.

The previous prime is 213133381. The next prime is 213133423. The reversal of 213133422 is 224331312.

213133422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213133423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21558 + ... + 29849.

It is an arithmetic number, because the mean of its divisors is an integer number (26680752).

Almost surely, 2^213133422 is an apocalyptic number.

213133422 is an abundant number, since it is smaller than the sum of its proper divisors (213758610).

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

213133422 is a wasteful number, since it uses less digits than its factorization.

213133422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52103.

The product of its digits is 864, while the sum is 21.

The square root of 213133422 is about 14599.0897661464. The cubic root of 213133422 is about 597.3339321278. Note that the first 3 decimals are identical.

Adding to 213133422 its reverse (224331312), we get a palindrome (437464734).

It can be divided in two parts, 2131 and 33422, that added together give a palindrome (35553).

The spelling of 213133422 in words is "two hundred thirteen million, one hundred thirty-three thousand, four hundred twenty-two".