2822645 has 24 divisors (see below), whose sum is σ = 4050648. Its totient is φ = 1881600.

The previous prime is 2822641. The next prime is 2822669. The reversal of 2822645 is 5462282.

It can be written as a sum of positive squares in 4 ways, for example, as 47089 + 2775556 = 217^2 + 1666^2 .

It is not a de Polignac number, because 2822645 - 2² = 2822641 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9905 + ... + 10185.

It is an arithmetic number, because the mean of its divisors is an integer number (168777).

2^2822645 is an apocalyptic number.

It is an amenable number.

2822645 is a deficient number, since it is larger than the sum of its proper divisors (1228003).

2822645 is a wasteful number, since it uses less digits than its factorization.

2822645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 334 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 2822645 is about 1680.0729150843. The cubic root of 2822645 is about 141.3249217483.

The spelling of 2822645 in words is "two million, eight hundred twenty-two thousand, six hundred forty-five".