1810226 has 16 divisors (see below), whose sum is σ = 2993760. Its totient is φ = 814080.

The previous prime is 1810219. The next prime is 1810241. The reversal of 1810226 is 6220181.

It is a junction number, because it is equal to n+sod(n) for n = 1810198 and 1810207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970 + ... + 2738.

It is an arithmetic number, because the mean of its divisors is an integer number (187110).

2^1810226 is an apocalyptic number.

1810226 is a deficient number, since it is larger than the sum of its proper divisors (1183534).

1810226 is a wasteful number, since it uses less digits than its factorization.

1810226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1810226 is about 1345.4463943242. The cubic root of 1810226 is about 121.8739628226.

It can be divided in two parts, 1810 and 226, that multiplied together give a triangular number (409060 = T₉₀₄).

The spelling of 1810226 in words is "one million, eight hundred ten thousand, two hundred twenty-six".