213422205 has 16 divisors (see below), whose sum is σ = 341662464. Its totient is φ = 113762880.

The previous prime is 213422177. The next prime is 213422239. The reversal of 213422205 is 502224312.

213422205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213422205 - 2⁶ = 213422141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41475 + ... + 46335.

It is an arithmetic number, because the mean of its divisors is an integer number (21353904).

Almost surely, 2^213422205 is an apocalyptic number.

It is an amenable number.

213422205 is a deficient number, since it is larger than the sum of its proper divisors (128240259).

213422205 is a wasteful number, since it uses less digits than its factorization.

213422205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7796.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 213422205 is about 14608.9768635589. The cubic root of 213422205 is about 597.6035942528.

Adding to 213422205 its reverse (502224312), we get a palindrome (715646517).

The spelling of 213422205 in words is "two hundred thirteen million, four hundred twenty-two thousand, two hundred five".