2208528 has 90 divisors (see below), whose sum is σ = 7212894. Its totient is φ = 628992.

The previous prime is 2208517. The next prime is 2208559. The reversal of 2208528 is 8258022.

It can be written as a sum of positive squares in only one way, i.e., 1192464 + 1016064 = 1092^2 + 1008^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6900 + ... + 7212.

2^2208528 is an apocalyptic number.

2208528 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 2208528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3606447).

2208528 is an abundant number, since it is smaller than the sum of its proper divisors (5004366).

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

2208528 is a wasteful number, since it uses less digits than its factorization.

2208528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2208528 is about 1486.1117050881. Note that the first 3 decimals coincide. The cubic root of 2208528 is about 130.2269801875.

The spelling of 2208528 in words is "two million, two hundred eight thousand, five hundred twenty-eight".