220211232 has 24 divisors (see below), whose sum is σ = 578054736. Its totient is φ = 73403712.

The previous prime is 220211231. The next prime is 220211267. The reversal of 220211232 is 232112022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (220211231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146838 + ... + 1147029.

It is an arithmetic number, because the mean of its divisors is an integer number (24085614).

Almost surely, 2^220211232 is an apocalyptic number.

It is an amenable number.

220211232 is an abundant number, since it is smaller than the sum of its proper divisors (357843504).

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

220211232 is a wasteful number, since it uses less digits than its factorization.

220211232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293880 (or 2293872 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 220211232 is about 14839.5158950688. The cubic root of 220211232 is about 603.8742190900.

Adding to 220211232 its reverse (232112022), we get a palindrome (452323254).

The spelling of 220211232 in words is "two hundred twenty million, two hundred eleven thousand, two hundred thirty-two".