2215552 has 32 divisors (see below), whose sum is σ = 4651200. Its totient is φ = 1048320.

The previous prime is 2215547. The next prime is 2215561. The reversal of 2215552 is 2555122.

2215552 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a d-powerful number, because it can be written as 2⁴ + 2⁸ + 1 + 5 + 5 + 5⁹ + 2¹⁸ .

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, 1977 + ... + 2887.

It is an arithmetic number, because the mean of its divisors is an integer number (145350).

2^2215552 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 2215552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2325600).

2215552 is an abundant number, since it is smaller than the sum of its proper divisors (2435648).

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

2215552 is an equidigital number, since it uses as much as digits as its factorization.

2215552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 932 counting only the distinct ones).

The product of its digits is 1000, while the sum is 22.

The square root of 2215552 is about 1488.4730430881. The cubic root of 2215552 is about 130.3648920002.

The spelling of 2215552 in words is "two million, two hundred fifteen thousand, five hundred fifty-two".