2618224 has 40 divisors (see below), whose sum is σ = 5881568. Its totient is φ = 1105920.

The previous prime is 2618197. The next prime is 2618237. The reversal of 2618224 is 4228162.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10744 + ... + 10984.

2^2618224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2618224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940784).

2618224 is an abundant number, since it is smaller than the sum of its proper divisors (3263344).

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

2618224 is a wasteful number, since it uses less digits than its factorization.

2618224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 347 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 2618224 is about 1618.0927043900. The cubic root of 2618224 is about 137.8274114928.

The spelling of 2618224 in words is "two million, six hundred eighteen thousand, two hundred twenty-four".