2217792 has 28 divisors (see below), whose sum is σ = 5868416. Its totient is φ = 739200.

The previous prime is 2217779. The next prime is 2217799. The reversal of 2217792 is 2977122.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217799) 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, 5584 + ... + 5967.

2^2217792 is an apocalyptic number.

It is an amenable number.

2217792 is an abundant number, since it is smaller than the sum of its proper divisors (3650624).

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

2217792 is a wasteful number, since it uses less digits than its factorization.

2217792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11566 (or 11556 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 2217792 is about 1489.2253019607. The cubic root of 2217792 is about 130.4088116795.

The spelling of 2217792 in words is "two million, two hundred seventeen thousand, seven hundred ninety-two".