2224181 has 8 divisors (see below), whose sum is σ = 2334720. Its totient is φ = 2116368.

The previous prime is 2224171. The next prime is 2224193. The reversal of 2224181 is 1814222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2224181 is a prime.

It is a super-2 number, since 2×2224181² = 9893962241522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1100 + ... + 2378.

It is an arithmetic number, because the mean of its divisors is an integer number (291840).

2^2224181 is an apocalyptic number.

It is an amenable number.

2224181 is a deficient number, since it is larger than the sum of its proper divisors (110539).

2224181 is a wasteful number, since it uses less digits than its factorization.

2224181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363.

The product of its digits is 256, while the sum is 20.

The square root of 2224181 is about 1491.3688343264. The cubic root of 2224181 is about 130.5339185577.

It can be divided in two parts, 22241 and 81, that added together give a palindrome (22322).

The spelling of 2224181 in words is "two million, two hundred twenty-four thousand, one hundred eighty-one".