2224890 has 48 divisors (see below), whose sum is σ = 5896800. Its totient is φ = 581856.

The previous prime is 2224879. The next prime is 2224891. The reversal of 2224890 is 984222.

It is not an unprimeable number, because it can be changed into a prime (2224891) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5101 + ... + 5519.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

2^2224890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2224890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948400).

2224890 is an abundant number, since it is smaller than the sum of its proper divisors (3671910).

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

2224890 is a wasteful number, since it uses less digits than its factorization.

2224890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2224890 is about 1491.6065164781. The cubic root of 2224890 is about 130.5477871407.

The spelling of 2224890 in words is "two million, two hundred twenty-four thousand, eight hundred ninety".