1982225 has 24 divisors (see below), whose sum is σ = 2880768. Its totient is φ = 1324800.

The previous prime is 1982219. The next prime is 1982263. The reversal of 1982225 is 5222891.

It is not a de Polignac number, because 1982225 - 2¹⁰ = 1981201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8105 + ... + 8345.

It is an arithmetic number, because the mean of its divisors is an integer number (120032).

2^1982225 is an apocalyptic number.

It is an amenable number.

1982225 is a deficient number, since it is larger than the sum of its proper divisors (898543).

1982225 is a wasteful number, since it uses less digits than its factorization.

1982225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 300 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 1982225 is about 1407.9151252828. The cubic root of 1982225 is about 125.6177421283.

The spelling of 1982225 in words is "one million, nine hundred eighty-two thousand, two hundred twenty-five".