2217552 has 20 divisors (see below), whose sum is σ = 5728800. Its totient is φ = 739168.

The previous prime is 2217541. The next prime is 2217557. The reversal of 2217552 is 2557122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 2⁴ + 2⁶ + 1 + 7⁶ + 5⁶ + 5⁹ + 2¹⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23052 + ... + 23147.

It is an arithmetic number, because the mean of its divisors is an integer number (286440).

2^2217552 is an apocalyptic number.

It is an amenable number.

2217552 is an abundant number, since it is smaller than the sum of its proper divisors (3511248).

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

2217552 is a wasteful number, since it uses less digits than its factorization.

2217552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46210 (or 46204 counting only the distinct ones).

The product of its digits is 1400, while the sum is 24.

The square root of 2217552 is about 1489.1447209724. The cubic root of 2217552 is about 130.4041074145.

The spelling of 2217552 in words is "two million, two hundred seventeen thousand, five hundred fifty-two".