220434344 has 16 divisors (see below), whose sum is σ = 445108020. Its totient is φ = 101738880.

The previous prime is 220434341. The next prime is 220434353. The reversal of 220434344 is 443434022.

220434344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 177688900 + 42745444 = 13330^2 + 6538^2 .

It is a super-4 number, since 4×220434344⁴ (a number of 34 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (220434341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059677 + ... + 1059884.

Almost surely, 2^220434344 is an apocalyptic number.

It is an amenable number.

220434344 is an abundant number, since it is smaller than the sum of its proper divisors (224673676).

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

220434344 is a wasteful number, since it uses less digits than its factorization.

220434344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119580 (or 2119576 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 220434344 is about 14847.0314878093. The cubic root of 220434344 is about 604.0780932022.

Adding to 220434344 its reverse (443434022), we get a palindrome (663868366).

The spelling of 220434344 in words is "two hundred twenty million, four hundred thirty-four thousand, three hundred forty-four".