1906822 has 12 divisors (see below), whose sum is σ = 3039300. Its totient is φ = 897056.

The previous prime is 1906811. The next prime is 1906829. The reversal of 1906822 is 2286091.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1072 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (253275).

2^1906822 is an apocalyptic number.

1906822 is a deficient number, since it is larger than the sum of its proper divisors (1132478).

1906822 is a wasteful number, since it uses less digits than its factorization.

1906822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335 (or 3318 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1906822 is about 1380.8772573984. The cubic root of 1906822 is about 124.0042922552.

The spelling of 1906822 in words is "one million, nine hundred six thousand, eight hundred twenty-two".