220325311 has 4 divisors (see below), whose sum is σ = 231921400. Its totient is φ = 208729224.

The previous prime is 220325263. The next prime is 220325341. The reversal of 220325311 is 113523022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220325311 - 2¹⁷ = 220194239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11596069 = 220325311 / (2 + 2 + 0 + 3 + 2 + 5 + 3 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220325341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5798016 + ... + 5798053.

It is an arithmetic number, because the mean of its divisors is an integer number (57980350).

Almost surely, 2^220325311 is an apocalyptic number.

220325311 is a deficient number, since it is larger than the sum of its proper divisors (11596089).

220325311 is a wasteful number, since it uses less digits than its factorization.

220325311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11596088.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 220325311 is about 14843.3591548544. The cubic root of 220325311 is about 603.9784787955.

Adding to 220325311 its reverse (113523022), we get a palindrome (333848333).

The spelling of 220325311 in words is "two hundred twenty million, three hundred twenty-five thousand, three hundred eleven".