2224145 has 32 divisors (see below), whose sum is σ = 3421440. Its totient is φ = 1347840.

The previous prime is 2224141. The next prime is 2224147. The reversal of 2224145 is 5414222.

It is a happy number.

It is not a de Polignac number, because 2224145 - 2² = 2224141 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2224141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20351 + ... + 20459.

It is an arithmetic number, because the mean of its divisors is an integer number (106920).

2^2224145 is an apocalyptic number.

It is an amenable number.

2224145 is a deficient number, since it is larger than the sum of its proper divisors (1197295).

2224145 is a wasteful number, since it uses less digits than its factorization.

2224145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185.

The product of its digits is 640, while the sum is 20.

The square root of 2224145 is about 1491.3567648286. The cubic root of 2224145 is about 130.5332142915.

Adding to 2224145 its reverse (5414222), we get a palindrome (7638367).

The spelling of 2224145 in words is "two million, two hundred twenty-four thousand, one hundred forty-five".