2241985 has 4 divisors (see below), whose sum is σ = 2690388. Its totient is φ = 1793584.

The previous prime is 2241959. The next prime is 2241989. The reversal of 2241985 is 5891422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5891422 = 2 ⋅2945711.

It can be written as a sum of positive squares in 2 ways, for example, as 898704 + 1343281 = 948^2 + 1159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241985 - 2¹³ = 2233793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2241989) 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, 224194 + ... + 224203.

It is an arithmetic number, because the mean of its divisors is an integer number (672597).

2^2241985 is an apocalyptic number.

It is an amenable number.

2241985 is a deficient number, since it is larger than the sum of its proper divisors (448403).

2241985 is an equidigital number, since it uses as much as digits as its factorization.

2241985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448402.

The product of its digits is 5760, while the sum is 31.

The square root of 2241985 is about 1497.3259498185. The cubic root of 2241985 is about 130.8812902028.

It can be divided in two parts, 224 and 1985, that added together give a square (2209 = 47²).

The spelling of 2241985 in words is "two million, two hundred forty-one thousand, nine hundred eighty-five".