211022330 has 16 divisors (see below), whose sum is σ = 383602824. Its totient is φ = 83572800.

The previous prime is 211022327. The next prime is 211022347. The reversal of 211022330 is 33220112.

It is a happy number.

211022330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 182709289 + 28313041 = 13517^2 + 5321^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103457 + ... + 105476.

Almost surely, 2^211022330 is an apocalyptic number.

211022330 is a deficient number, since it is larger than the sum of its proper divisors (172580494).

211022330 is a wasteful number, since it uses less digits than its factorization.

211022330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209041.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 211022330 is about 14526.6076562975. The cubic root of 211022330 is about 595.3551818563.

Adding to 211022330 its reverse (33220112), we get a palindrome (244242442).

It can be divided in two parts, 21102 and 2330, that added together give a palindrome (23432).

The spelling of 211022330 in words is "two hundred eleven million, twenty-two thousand, three hundred thirty".