2517228 has 54 divisors (see below), whose sum is σ = 7407036. Its totient is φ = 718704.

The previous prime is 2517227. The next prime is 2517233. The reversal of 2517228 is 8227152.

2517228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2517227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1051 + ... + 2477.

2^2517228 is an apocalyptic number.

2517228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2517228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3703518).

2517228 is an abundant number, since it is smaller than the sum of its proper divisors (4889808).

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

2517228 is a wasteful number, since it uses less digits than its factorization.

2517228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1439 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2517228 is about 1586.5774484720. The cubic root of 2517228 is about 136.0319273369.

It can be divided in two parts, 25172 and 28, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 2517228 in words is "two million, five hundred seventeen thousand, two hundred twenty-eight".