2182445 has 16 divisors (see below), whose sum is σ = 2757888. Its totient is φ = 1656000.

The previous prime is 2182441. The next prime is 2182451. The reversal of 2182445 is 5442812.

It is a happy number.

It is not a de Polignac number, because 2182445 - 2² = 2182441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8570 + ... + 8820.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

2^2182445 is an apocalyptic number.

It is an amenable number.

2182445 is a deficient number, since it is larger than the sum of its proper divisors (575443).

2182445 is a wasteful number, since it uses less digits than its factorization.

2182445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its digits is 2560, while the sum is 26.

The square root of 2182445 is about 1477.3100554724. The cubic root of 2182445 is about 129.7122828237.

The spelling of 2182445 in words is "two million, one hundred eighty-two thousand, four hundred forty-five".