2201845 has 8 divisors (see below), whose sum is σ = 2651040. Its totient is φ = 1755600.

The previous prime is 2201839. The next prime is 2201897. The reversal of 2201845 is 5481022.

2201845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2201845 - 2²¹ = 104693 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1570 + ... + 2620.

It is an arithmetic number, because the mean of its divisors is an integer number (331380).

2^2201845 is an apocalyptic number.

It is an amenable number.

2201845 is a deficient number, since it is larger than the sum of its proper divisors (449195).

2201845 is a wasteful number, since it uses less digits than its factorization.

2201845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2201845 is about 1483.8615164496. The cubic root of 2201845 is about 130.0954919690.

Adding to 2201845 its reverse (5481022), we get a palindrome (7682867).

The spelling of 2201845 in words is "two million, two hundred one thousand, eight hundred forty-five".