2266045 has 4 divisors (see below), whose sum is σ = 2719260. Its totient is φ = 1812832.

The previous prime is 2266039. The next prime is 2266063. The reversal of 2266045 is 5406622.

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 622521 + 1643524 = 789^2 + 1282^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266045 - 2³ = 2266037 is a prime.

It is a super-4 number, since 4×2266045⁴ (a number of 27 digits) contains 4444 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 2¹³ + 6³ + 6⁷ + 0 + 4⁷ + 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, 226600 + ... + 226609.

It is an arithmetic number, because the mean of its divisors is an integer number (679815).

2^2266045 is an apocalyptic number.

It is an amenable number.

2266045 is a deficient number, since it is larger than the sum of its proper divisors (453215).

2266045 is an equidigital number, since it uses as much as digits as its factorization.

2266045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453214.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2266045 is about 1505.3388322899. The cubic root of 2266045 is about 131.3478121983.

The spelling of 2266045 in words is "two million, two hundred sixty-six thousand, forty-five".