2228269 has 4 divisors (see below), whose sum is σ = 2264860. Its totient is φ = 2191680.

The previous prime is 2228243. The next prime is 2228299. The reversal of 2228269 is 9628222.

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 756900 + 1471369 = 870^2 + 1213^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228269 - 2¹¹ = 2226221 is a prime.

It is a super-2 number, since 2×2228269² = 9930365472722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁶ + 2²⁰ + 8⁵ + 2²⁰ + 6² + 9 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228209) 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, 18204 + ... + 18325.

It is an arithmetic number, because the mean of its divisors is an integer number (566215).

2^2228269 is an apocalyptic number.

It is an amenable number.

2228269 is a deficient number, since it is larger than the sum of its proper divisors (36591).

2228269 is an equidigital number, since it uses as much as digits as its factorization.

2228269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36590.

The product of its digits is 6912, while the sum is 31.

The square root of 2228269 is about 1492.7387581221. The cubic root of 2228269 is about 130.6138425182.

The spelling of 2228269 in words is "two million, two hundred twenty-eight thousand, two hundred sixty-nine".