2191282 has 8 divisors (see below), whose sum is σ = 3294576. Its totient is φ = 1093092.

The previous prime is 2191261. The next prime is 2191291. The reversal of 2191282 is 2821912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2191282³ = 31565746801979033304, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93 + ... + 2095.

It is an arithmetic number, because the mean of its divisors is an integer number (411822).

2^2191282 is an apocalyptic number.

2191282 is a deficient number, since it is larger than the sum of its proper divisors (1103294).

2191282 is a wasteful number, since it uses less digits than its factorization.

2191282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552.

The product of its digits is 576, while the sum is 25.

The square root of 2191282 is about 1480.2979429831. The cubic root of 2191282 is about 129.8871209504.

The spelling of 2191282 in words is "two million, one hundred ninety-one thousand, two hundred eighty-two".