213013222 has 16 divisors (see below), whose sum is σ = 322490160. Its totient is φ = 105521248.

The previous prime is 213013219. The next prime is 213013243. The reversal of 213013222 is 222310312.

213013222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213013196 and 213013205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112548 + ... + 114424.

It is an arithmetic number, because the mean of its divisors is an integer number (20155635).

Almost surely, 2^213013222 is an apocalyptic number.

213013222 is a deficient number, since it is larger than the sum of its proper divisors (109476938).

213013222 is a wasteful number, since it uses less digits than its factorization.

213013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213013222 is about 14594.9724905530. The cubic root of 213013222 is about 597.2216190053.

Adding to 213013222 its reverse (222310312), we get a palindrome (435323534).

The spelling of 213013222 in words is "two hundred thirteen million, thirteen thousand, two hundred twenty-two".