2224840 has 16 divisors (see below), whose sum is σ = 5005980. Its totient is φ = 889920.

The previous prime is 2224837. The next prime is 2224861. The reversal of 2224840 is 484222.

It can be written as a sum of positive squares in 2 ways, for example, as 1976836 + 248004 = 1406^2 + 498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27771 + ... + 27850.

2^2224840 is an apocalyptic number.

2224840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2224840 is an abundant number, since it is smaller than the sum of its proper divisors (2781140).

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

2224840 is a wasteful number, since it uses less digits than its factorization.

2224840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55632 (or 55628 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2224840 is about 1491.5897559316. The cubic root of 2224840 is about 130.5468091990.

The spelling of 2224840 in words is "two million, two hundred twenty-four thousand, eight hundred forty".