2044555 has 4 divisors (see below), whose sum is σ = 2453472. Its totient is φ = 1635640.

The previous prime is 2044541. The next prime is 2044561. The reversal of 2044555 is 5554402.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2044555 - 2⁹ = 2044043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204451 + ... + 204460.

It is an arithmetic number, because the mean of its divisors is an integer number (613368).

2^2044555 is an apocalyptic number.

2044555 is a deficient number, since it is larger than the sum of its proper divisors (408917).

2044555 is an equidigital number, since it uses as much as digits as its factorization.

2044555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408916.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 2044555 is about 1429.8793655410. The cubic root of 2044555 is about 126.9208385092.

Adding to 2044555 its reverse (5554402), we get a palindrome (7598957).

The spelling of 2044555 in words is "two million, forty-four thousand, five hundred fifty-five".