1906226 has 16 divisors (see below), whose sum is σ = 3338496. Its totient is φ = 799296.

The previous prime is 1906211. The next prime is 1906237. The reversal of 1906226 is 6226091.

It is a super-3 number, since 3×1906226³ = 20779946312616333528, which contains 333 as substring.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1906195 and 1906204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791 + ... + 2106.

It is an arithmetic number, because the mean of its divisors is an integer number (208656).

2^1906226 is an apocalyptic number.

1906226 is a deficient number, since it is larger than the sum of its proper divisors (1432270).

1906226 is a wasteful number, since it uses less digits than its factorization.

1906226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1906226 is about 1380.6614356894. The cubic root of 1906226 is about 123.9913712345.

The spelling of 1906226 in words is "one million, nine hundred six thousand, two hundred twenty-six".