220312234 has 8 divisors (see below), whose sum is σ = 333070848. Its totient is φ = 109288620.

The previous prime is 220312187. The next prime is 220312237. The reversal of 220312234 is 432213022.

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

It is not an unprimeable number, because it can be changed into a prime (220312237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433432 + ... + 433939.

It is an arithmetic number, because the mean of its divisors is an integer number (41633856).

Almost surely, 2^220312234 is an apocalyptic number.

220312234 is a deficient number, since it is larger than the sum of its proper divisors (112758614).

220312234 is a wasteful number, since it uses less digits than its factorization.

220312234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867500.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 220312234 is about 14842.9186482983. The cubic root of 220312234 is about 603.9665292184.

Adding to 220312234 its reverse (432213022), we get a palindrome (652525256).

The spelling of 220312234 in words is "two hundred twenty million, three hundred twelve thousand, two hundred thirty-four".