2285501 has 4 divisors (see below), whose sum is σ = 2294652. Its totient is φ = 2276352.

The previous prime is 2285489. The next prime is 2285509. The reversal of 2285501 is 1055822.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1428025 + 857476 = 1195^2 + 926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2285501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4190 + ... + 4703.

It is an arithmetic number, because the mean of its divisors is an integer number (573663).

2^2285501 is an apocalyptic number.

It is an amenable number.

2285501 is a deficient number, since it is larger than the sum of its proper divisors (9151).

2285501 is an equidigital number, since it uses as much as digits as its factorization.

2285501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9150.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2285501 is about 1511.7873527715. The cubic root of 2285501 is about 131.7226538234.

The spelling of 2285501 in words is "two million, two hundred eighty-five thousand, five hundred one".