2224161 has 12 divisors (see below), whose sum is σ = 3401892. Its totient is φ = 1395456.

The previous prime is 2224153. The next prime is 2224171. The reversal of 2224161 is 1614222.

It can be written as a sum of positive squares in 2 ways, for example, as 1134225 + 1089936 = 1065^2 + 1044^2 .

It is not a de Polignac number, because 2224161 - 2³ = 2224153 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 7116 + ... + 7421.

It is an arithmetic number, because the mean of its divisors is an integer number (283491).

2^2224161 is an apocalyptic number.

It is an amenable number.

2224161 is a deficient number, since it is larger than the sum of its proper divisors (1177731).

2224161 is a wasteful number, since it uses less digits than its factorization.

2224161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14560 (or 14557 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2224161 is about 1491.3621290619. The cubic root of 2224161 is about 130.5335272997.

Adding to 2224161 its reverse (1614222), we get a palindrome (3838383).

The spelling of 2224161 in words is "two million, two hundred twenty-four thousand, one hundred sixty-one".