211030222 has 8 divisors (see below), whose sum is σ = 340895016. Its totient is φ = 97398552.

The previous prime is 211030219. The next prime is 211030229. The reversal of 211030222 is 222030112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211030229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4058248 + ... + 4058299.

It is an arithmetic number, because the mean of its divisors is an integer number (42611877).

Almost surely, 2^211030222 is an apocalyptic number.

211030222 is a deficient number, since it is larger than the sum of its proper divisors (129864794).

211030222 is a wasteful number, since it uses less digits than its factorization.

211030222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8116562.

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

The square root of 211030222 is about 14526.8792932274. The cubic root of 211030222 is about 595.3626036372.

Adding to 211030222 its reverse (222030112), we get a palindrome (433060334).

The spelling of 211030222 in words is "two hundred eleven million, thirty thousand, two hundred twenty-two".