220004211 has 32 divisors (see below), whose sum is σ = 361123840. Its totient is φ = 116321184.

The previous prime is 220004209. The next prime is 220004243. The reversal of 220004211 is 112400022.

It is not a de Polignac number, because 220004211 - 2¹ = 220004209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220004011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10746 + ... + 23568.

It is an arithmetic number, because the mean of its divisors is an integer number (11285120).

Almost surely, 2^220004211 is an apocalyptic number.

220004211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

220004211 is a deficient number, since it is larger than the sum of its proper divisors (141119629).

220004211 is a wasteful number, since it uses less digits than its factorization.

220004211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12895.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 220004211 is about 14832.5389262931. The cubic root of 220004211 is about 603.6849253234.

Adding to 220004211 its reverse (112400022), we get a palindrome (332404233).

The spelling of 220004211 in words is "two hundred twenty million, four thousand, two hundred eleven".