2224205 has 4 divisors (see below), whose sum is σ = 2669052. Its totient is φ = 1779360.

The previous prime is 2224193. The next prime is 2224231. The reversal of 2224205 is 5024222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1136356 + 1087849 = 1066^2 + 1043^2 .

It is not a de Polignac number, because 2224205 - 2⁶ = 2224141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222416 + ... + 222425.

It is an arithmetic number, because the mean of its divisors is an integer number (667263).

2^2224205 is an apocalyptic number.

It is an amenable number.

2224205 is a deficient number, since it is larger than the sum of its proper divisors (444847).

2224205 is an equidigital number, since it uses as much as digits as its factorization.

2224205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444846.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2224205 is about 1491.3768806040. The cubic root of 2224205 is about 130.5343880643.

Adding to 2224205 its sum of digits (17), we get a palindrome (2224222).

Adding to 2224205 its reverse (5024222), we get a palindrome (7248427).

The spelling of 2224205 in words is "two million, two hundred twenty-four thousand, two hundred five".