211022230 has 16 divisors (see below), whose sum is σ = 380246400. Its totient is φ = 84318592.

The previous prime is 211022221. The next prime is 211022233. The reversal of 211022230 is 32220112.

It is a self number, because there is not a number n which added to its sum of digits gives 211022230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211022233) 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, 1030 + ... + 20569.

It is an arithmetic number, because the mean of its divisors is an integer number (23765400).

Almost surely, 2^211022230 is an apocalyptic number.

211022230 is a deficient number, since it is larger than the sum of its proper divisors (169224170).

211022230 is a wasteful number, since it uses less digits than its factorization.

211022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22583.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 211022230 is about 14526.6042143372. The cubic root of 211022230 is about 595.3550878133.

Adding to 211022230 its reverse (32220112), we get a palindrome (243242342).

It can be divided in two parts, 21102 and 2230, that added together give a palindrome (23332).

The spelling of 211022230 in words is "two hundred eleven million, twenty-two thousand, two hundred thirty".