2220500173 has 4 divisors (see below), whose sum is σ = 2237450688. Its totient is φ = 2203549660.

The previous prime is 2220500171. The next prime is 2220500197. The reversal of 2220500173 is 3710050222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2220500173 - 2¹ = 2220500171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220500171) 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 3 ways as a sum of consecutive naturals, for example, 8475061 + ... + 8475322.

It is an arithmetic number, because the mean of its divisors is an integer number (559362672).

Almost surely, 2^2220500173 is an apocalyptic number.

It is an amenable number.

2220500173 is a deficient number, since it is larger than the sum of its proper divisors (16950515).

2220500173 is a wasteful number, since it uses less digits than its factorization.

2220500173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16950514.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2220500173 is about 47122.1834489872. The cubic root of 2220500173 is about 1304.6187135431.

Adding to 2220500173 its reverse (3710050222), we get a palindrome (5930550395).

The spelling of 2220500173 in words is "two billion, two hundred twenty million, five hundred thousand, one hundred seventy-three".