2278226 has 16 divisors (see below), whose sum is σ = 3564000. Its totient is φ = 1091328.

The previous prime is 2278217. The next prime is 2278229. The reversal of 2278226 is 6228722.

It is not an unprimeable number, because it can be changed into a prime (2278229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4850 + ... + 5298.

It is an arithmetic number, because the mean of its divisors is an integer number (222750).

2^2278226 is an apocalyptic number.

2278226 is a deficient number, since it is larger than the sum of its proper divisors (1285774).

2278226 is a wasteful number, since it uses less digits than its factorization.

2278226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553.

The product of its digits is 5376, while the sum is 29.

The square root of 2278226 is about 1509.3793426439. The cubic root of 2278226 is about 131.5827427228.

The spelling of 2278226 in words is "two million, two hundred seventy-eight thousand, two hundred twenty-six".