1822628 has 12 divisors (see below), whose sum is σ = 3244080. Its totient is φ = 895752.

The previous prime is 1822571. The next prime is 1822633. The reversal of 1822628 is 8262281.

It is a self number, because there is not a number n which added to its sum of digits gives 1822628.

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 3 ways as a sum of consecutive naturals, for example, 3626 + ... + 4097.

It is an arithmetic number, because the mean of its divisors is an integer number (270340).

2^1822628 is an apocalyptic number.

It is an amenable number.

1822628 is a deficient number, since it is larger than the sum of its proper divisors (1421452).

1822628 is a wasteful number, since it uses less digits than its factorization.

1822628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786 (or 7784 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 1822628 is about 1350.0474065750. The cubic root of 1822628 is about 122.1516523132.

The spelling of 1822628 in words is "one million, eight hundred twenty-two thousand, six hundred twenty-eight".