220444344 has 48 divisors (see below), whose sum is σ = 597795120. Its totient is φ = 73388160.

The previous prime is 220444333. The next prime is 220444363. The reversal of 220444344 is 443444022.

It is a happy number.

220444344 is a `hidden beast` number, since 220 + 4 + 4 + 434 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77589 + ... + 80379.

It is an arithmetic number, because the mean of its divisors is an integer number (12454065).

Almost surely, 2^220444344 is an apocalyptic number.

220444344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220444344 is an abundant number, since it is smaller than the sum of its proper divisors (377350776).

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

220444344 is a wasteful number, since it uses less digits than its factorization.

220444344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900 (or 3893 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 220444344 is about 14847.3682516465. The cubic root of 220444344 is about 604.0872277280.

Adding to 220444344 its reverse (443444022), we get a palindrome (663888366).

The spelling of 220444344 in words is "two hundred twenty million, four hundred forty-four thousand, three hundred forty-four".