2217488 has 40 divisors (see below), whose sum is σ = 5291328. Its totient is φ = 876672.

The previous prime is 2217473. The next prime is 2217491. The reversal of 2217488 is 8847122.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695 + ... + 2217.

2^2217488 is an apocalyptic number.

2217488 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 2217488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2645664).

2217488 is an abundant number, since it is smaller than the sum of its proper divisors (3073840).

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

2217488 is a wasteful number, since it uses less digits than its factorization.

2217488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1545 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 2217488 is about 1489.1232319724. The cubic root of 2217488 is about 130.4028528865.

The spelling of 2217488 in words is "two million, two hundred seventeen thousand, four hundred eighty-eight".