2281798 has 8 divisors (see below), whose sum is σ = 3471120. Its totient is φ = 1124760.

The previous prime is 2281793. The next prime is 2281813. The reversal of 2281798 is 8971822.

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

It is a super-2 number, since 2×2281798² = 10413204225608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281793) 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, 7893 + ... + 8176.

It is an arithmetic number, because the mean of its divisors is an integer number (433890).

2^2281798 is an apocalyptic number.

2281798 is a deficient number, since it is larger than the sum of its proper divisors (1189322).

2281798 is a wasteful number, since it uses less digits than its factorization.

2281798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16142.

The product of its digits is 16128, while the sum is 37.

The square root of 2281798 is about 1510.5621470168. The cubic root of 2281798 is about 131.6514757528.

The spelling of 2281798 in words is "two million, two hundred eighty-one thousand, seven hundred ninety-eight".