2555224 has 32 divisors (see below), whose sum is σ = 5541120. Its totient is φ = 1082016.

The previous prime is 2555221. The next prime is 2555227. The reversal of 2555224 is 4225552.

2555224 = T₃₀₂ + T₃₀₃ + ... + T₃₄₉.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2555221) and next prime (2555227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555221) 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 7 ways as a sum of consecutive naturals, for example, 5547 + ... + 5989.

It is an arithmetic number, because the mean of its divisors is an integer number (173160).

2^2555224 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 2555224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2770560).

2555224 is an abundant number, since it is smaller than the sum of its proper divisors (2985896).

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

2555224 is a wasteful number, since it uses less digits than its factorization.

2555224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 555 counting only the distinct ones).

The product of its digits is 4000, while the sum is 25.

The square root of 2555224 is about 1598.5068032386. The cubic root of 2555224 is about 136.7129514722.

The spelling of 2555224 in words is "two million, five hundred fifty-five thousand, two hundred twenty-four".