2215224 has 48 divisors (see below), whose sum is σ = 6547320. Its totient is φ = 671040.

The previous prime is 2215217. The next prime is 2215237. The reversal of 2215224 is 4225122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2215197 and 2215206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 607 + ... + 2190.

2^2215224 is an apocalyptic number.

2215224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2215224 is an abundant number, since it is smaller than the sum of its proper divisors (4332096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215224 is a wasteful number, since it uses less digits than its factorization.

2215224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820 (or 2813 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 2215224 is about 1488.3628589830. The cubic root of 2215224 is about 130.3584584199.

It can be divided in two parts, 221 and 5224, that added together give a palindrome (5445).

The spelling of 2215224 in words is "two million, two hundred fifteen thousand, two hundred twenty-four".