213443022 has 32 divisors (see below), whose sum is σ = 462067200. Its totient is φ = 65340000.

The previous prime is 213443011. The next prime is 213443023. The reversal of 213443022 is 220344312.

213443022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213443022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213443023) 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, 8647 + ... + 22397.

It is an arithmetic number, because the mean of its divisors is an integer number (14439600).

Almost surely, 2^213443022 is an apocalyptic number.

213443022 is an abundant number, since it is smaller than the sum of its proper divisors (248624178).

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

213443022 is a wasteful number, since it uses less digits than its factorization.

213443022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13968.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 213443022 is about 14609.6893190786. The cubic root of 213443022 is about 597.6230235176.

Adding to 213443022 its reverse (220344312), we get a palindrome (433787334).

The spelling of 213443022 in words is "two hundred thirteen million, four hundred forty-three thousand, twenty-two".