2238169 has 12 divisors (see below), whose sum is σ = 2466612. Its totient is φ = 2023680.

The previous prime is 2238163. The next prime is 2238179. The reversal of 2238169 is 9618322.

It can be written as a sum of positive squares in 2 ways, for example, as 1537600 + 700569 = 1240^2 + 837^2 .

It is not a de Polignac number, because 2238169 - 2³ = 2238161 is a prime.

It is a super-2 number, since 2×2238169² = 10018800945122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

Its product of digits (5184) is a multiple of the sum of its prime factors (216).

It is a self number, because there is not a number n which added to its sum of digits gives 2238169.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16269 + ... + 16405.

It is an arithmetic number, because the mean of its divisors is an integer number (205551).

2^2238169 is an apocalyptic number.

It is an amenable number.

2238169 is a deficient number, since it is larger than the sum of its proper divisors (228443).

2238169 is a wasteful number, since it uses less digits than its factorization.

2238169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 185 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 2238169 is about 1496.0511354897. The cubic root of 2238169 is about 130.8069919607.

The spelling of 2238169 in words is "two million, two hundred thirty-eight thousand, one hundred sixty-nine".