220222005 has 16 divisors (see below), whose sum is σ = 353130624. Its totient is φ = 117193280.

The previous prime is 220222003. The next prime is 220222019. The reversal of 220222005 is 500222022.

It is not a de Polignac number, because 220222005 - 2¹ = 220222003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220222001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9009 + ... + 22838.

It is an arithmetic number, because the mean of its divisors is an integer number (22070664).

Almost surely, 2^220222005 is an apocalyptic number.

It is an amenable number.

220222005 is a deficient number, since it is larger than the sum of its proper divisors (132908619).

220222005 is a wasteful number, since it uses less digits than its factorization.

220222005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32316.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 220222005 is about 14839.8788741688. The cubic root of 220222005 is about 603.8840663487.

Adding to 220222005 its reverse (500222022), we get a palindrome (720444027).

The spelling of 220222005 in words is "two hundred twenty million, two hundred twenty-two thousand, five".