220043346 has 16 divisors (see below), whose sum is σ = 459221184. Its totient is φ = 70158704.

The previous prime is 220043339. The next prime is 220043357. The reversal of 220043346 is 643340022.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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, 797121 + ... + 797396.

It is an arithmetic number, because the mean of its divisors is an integer number (28701324).

Almost surely, 2^220043346 is an apocalyptic number.

220043346 is an abundant number, since it is smaller than the sum of its proper divisors (239177838).

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

220043346 is a wasteful number, since it uses less digits than its factorization.

220043346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594545.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 220043346 is about 14833.8580955866. The cubic root of 220043346 is about 603.7207182880.

Adding to 220043346 its reverse (643340022), we get a palindrome (863383368).

The spelling of 220043346 in words is "two hundred twenty million, forty-three thousand, three hundred forty-six".