1805226 has 16 divisors (see below), whose sum is σ = 3694944. Its totient is φ = 587664.

The previous prime is 1805203. The next prime is 1805227. The reversal of 1805226 is 6225081.

1805226 = T₂₆₈ + T₂₆₉ + ... + T₃₁₀.

It is a super-2 number, since 2×1805226² = 6517681822152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1805196 and 1805205.

It is not an unprimeable number, because it can be changed into a prime (1805227) 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, 3241 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (230934).

2^1805226 is an apocalyptic number.

1805226 is an abundant number, since it is smaller than the sum of its proper divisors (1889718).

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

1805226 is a wasteful number, since it uses less digits than its factorization.

1805226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1805226 is about 1343.5869901127. The cubic root of 1805226 is about 121.7616505624.

The spelling of 1805226 in words is "one million, eight hundred five thousand, two hundred twenty-six".