213030222 has 16 divisors (see below), whose sum is σ = 430848720. Its totient is φ = 70212032.

The previous prime is 213030203. The next prime is 213030229. The reversal of 213030222 is 222030312.

213030222 is digitally balanced in base 2, 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 (213030229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198933 + ... + 200000.

It is an arithmetic number, because the mean of its divisors is an integer number (26928045).

Almost surely, 2^213030222 is an apocalyptic number.

213030222 is an abundant number, since it is smaller than the sum of its proper divisors (217818498).

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

213030222 is a wasteful number, since it uses less digits than its factorization.

213030222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399027.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 213030222 is about 14595.5548712613. The cubic root of 213030222 is about 597.2375061215.

Adding to 213030222 its reverse (222030312), we get a palindrome (435060534).

The spelling of 213030222 in words is "two hundred thirteen million, thirty thousand, two hundred twenty-two".