220232212 has 24 divisors (see below), whose sum is σ = 408531816. Its totient is φ = 103523328.

The previous prime is 220232209. The next prime is 220232219. The reversal of 220232212 is 212232022.

It can be written as a sum of positive squares in 4 ways, for example, as 89038096 + 131194116 = 9436^2 + 11454^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220232219) 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 7 ways as a sum of consecutive naturals, for example, 114168 + ... + 116080.

It is an arithmetic number, because the mean of its divisors is an integer number (17022159).

Almost surely, 2^220232212 is an apocalyptic number.

It is an amenable number.

220232212 is a deficient number, since it is larger than the sum of its proper divisors (188299604).

220232212 is a wasteful number, since it uses less digits than its factorization.

220232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627 (or 3625 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220232212 is about 14840.2227746082. Note that the first 3 decimals coincide. The cubic root of 220232212 is about 603.8933959483.

Adding to 220232212 its reverse (212232022), we get a palindrome (432464234).

The spelling of 220232212 in words is "two hundred twenty million, two hundred thirty-two thousand, two hundred twelve".