220230311 has 16 divisors (see below), whose sum is σ = 271407360. Its totient is φ = 174467520.

The previous prime is 220230301. The next prime is 220230343. The reversal of 220230311 is 113032022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220230311 - 2¹⁴ = 220213927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220230301) 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 15 ways as a sum of consecutive naturals, for example, 14741 + ... + 25646.

It is an arithmetic number, because the mean of its divisors is an integer number (16962960).

Almost surely, 2^220230311 is an apocalyptic number.

220230311 is a deficient number, since it is larger than the sum of its proper divisors (51177049).

220230311 is a wasteful number, since it uses less digits than its factorization.

220230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40454.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 220230311 is about 14840.1587255662. The cubic root of 220230311 is about 603.8916583814.

Adding to 220230311 its reverse (113032022), we get a palindrome (333262333).

The spelling of 220230311 in words is "two hundred twenty million, two hundred thirty thousand, three hundred eleven".