220440344 has 16 divisors (see below), whose sum is σ = 414265320. Its totient is φ = 109969600.

The previous prime is 220440331. The next prime is 220440347. The reversal of 220440344 is 443044022.

220440344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220440347) 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, 27557 + ... + 34644.

Almost surely, 2^220440344 is an apocalyptic number.

It is an amenable number.

220440344 is a deficient number, since it is larger than the sum of its proper divisors (193824976).

220440344 is a wasteful number, since it uses less digits than its factorization.

220440344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62650 (or 62646 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 220440344 is about 14847.2335470282. The cubic root of 220440344 is about 604.0835739508.

Adding to 220440344 its reverse (443044022), we get a palindrome (663484366).

The spelling of 220440344 in words is "two hundred twenty million, four hundred forty thousand, three hundred forty-four".