2217372 has 24 divisors (see below), whose sum is σ = 5241600. Its totient is φ = 729456.

The previous prime is 2217359. The next prime is 2217379. The reversal of 2217372 is 2737122.

2217372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁹ + 2¹¹ + 1 + 7 + 3 + 7⁶ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217379) 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 7 ways as a sum of consecutive naturals, for example, 222 + ... + 2117.

It is an arithmetic number, because the mean of its divisors is an integer number (218400).

2^2217372 is an apocalyptic number.

It is an amenable number.

2217372 is an abundant number, since it is smaller than the sum of its proper divisors (3024228).

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

2217372 is a wasteful number, since it uses less digits than its factorization.

2217372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2423 counting only the distinct ones).

The product of its digits is 1176, while the sum is 24.

The square root of 2217372 is about 1489.0842823695. The cubic root of 2217372 is about 130.4005789930.

The spelling of 2217372 in words is "two million, two hundred seventeen thousand, three hundred seventy-two".