2798226 has 40 divisors (see below), whose sum is σ = 6551424. Its totient is φ = 891000.

The previous prime is 2798207. The next prime is 2798233. The reversal of 2798226 is 6228972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3351 + ... + 4101.

2^2798226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2798226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3275712).

2798226 is an abundant number, since it is smaller than the sum of its proper divisors (3753198).

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

2798226 is a wasteful number, since it uses less digits than its factorization.

2798226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 779 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2798226 is about 1672.7898851918. The cubic root of 2798226 is about 140.9162019052.

The spelling of 2798226 in words is "two million, seven hundred ninety-eight thousand, two hundred twenty-six".