2200645 has 8 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 1735440.

The previous prime is 2200643. The next prime is 2200651. The reversal of 2200645 is 5460022.

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

It is not a de Polignac number, because 2200645 - 2¹ = 2200643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2745 + ... + 3454.

It is an arithmetic number, because the mean of its divisors is an integer number (334800).

2^2200645 is an apocalyptic number.

It is an amenable number.

2200645 is a deficient number, since it is larger than the sum of its proper divisors (477755).

2200645 is an equidigital number, since it uses as much as digits as its factorization.

2200645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2200645 is about 1483.4571109405. The cubic root of 2200645 is about 130.0718537687.

Adding to 2200645 its reverse (5460022), we get a palindrome (7660667).

The spelling of 2200645 in words is "two million, two hundred thousand, six hundred forty-five".