220505322 has 16 divisors (see below), whose sum is σ = 441235872. Its totient is φ = 73464240.

The previous prime is 220505309. The next prime is 220505323. The reversal of 220505322 is 223505022.

220505322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220505323) 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 7 ways as a sum of consecutive naturals, for example, 5053 + ... + 21599.

It is an arithmetic number, because the mean of its divisors is an integer number (27577242).

Almost surely, 2^220505322 is an apocalyptic number.

220505322 is an abundant number, since it is smaller than the sum of its proper divisors (220730550).

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

220505322 is a wasteful number, since it uses less digits than its factorization.

220505322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18773.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 220505322 is about 14849.4216048976. The cubic root of 220505322 is about 604.1429222620.

It can be divided in two parts, 22050 and 5322, that added together give a palindrome (27372).

The spelling of 220505322 in words is "two hundred twenty million, five hundred five thousand, three hundred twenty-two".