2022245 has 4 divisors (see below), whose sum is σ = 2426700. Its totient is φ = 1617792.

The previous prime is 2022239. The next prime is 2022253. The reversal of 2022245 is 5422202.

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 368449 + 1653796 = 607^2 + 1286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022245 - 2²⁰ = 973669 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 0 + 2¹⁰ + 2¹¹ + 2¹⁶ + 4⁴ + 5⁹ .

It is a congruent 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, 202220 + ... + 202229.

It is an arithmetic number, because the mean of its divisors is an integer number (606675).

2^2022245 is an apocalyptic number.

It is an amenable number.

2022245 is a deficient number, since it is larger than the sum of its proper divisors (404455).

2022245 is an equidigital number, since it uses as much as digits as its factorization.

2022245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404454.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2022245 is about 1422.0566092811. The cubic root of 2022245 is about 126.4574995097.

Adding to 2022245 its reverse (5422202), we get a palindrome (7444447).

The spelling of 2022245 in words is "two million, twenty-two thousand, two hundred forty-five".