1682225 has 6 divisors (see below), whose sum is σ = 2085990. Its totient is φ = 1345760.

The previous prime is 1682207. The next prime is 1682237. The reversal of 1682225 is 5222861.

1682225 = T₂₃₄ + T₂₃₅ + ... + T₂₈₃.

It can be written as a sum of positive squares in 3 ways, for example, as 16 + 1682209 = 4^2 + 1297^2 .

It is not a de Polignac number, because 1682225 - 2¹⁰ = 1681201 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1682194 and 1682203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33620 + ... + 33669.

It is an arithmetic number, because the mean of its divisors is an integer number (347665).

2^1682225 is an apocalyptic number.

It is an amenable number.

1682225 is a deficient number, since it is larger than the sum of its proper divisors (403765).

1682225 is an equidigital number, since it uses as much as digits as its factorization.

1682225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67299 (or 67294 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 1682225 is about 1297.0061680655. The cubic root of 1682225 is about 118.9308969605.

The spelling of 1682225 in words is "one million, six hundred eighty-two thousand, two hundred twenty-five".