2217292 has 48 divisors (see below), whose sum is σ = 5064192. Its totient is φ = 823680.

The previous prime is 2217287. The next prime is 2217301. The reversal of 2217292 is 2927122.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6928 + ... + 7240.

It is an arithmetic number, because the mean of its divisors is an integer number (105504).

2^2217292 is an apocalyptic number.

2217292 is a gapful number since it is divisible by the number (22) 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 2217292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2532096).

2217292 is an abundant number, since it is smaller than the sum of its proper divisors (2846900).

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

2217292 is a wasteful number, since it uses less digits than its factorization.

2217292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 356 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 2217292 is about 1489.0574199808. The cubic root of 2217292 is about 130.3990107444.

The spelling of 2217292 in words is "two million, two hundred seventeen thousand, two hundred ninety-two".