2167229 has 4 divisors (see below), whose sum is σ = 2170176. Its totient is φ = 2164284.

The previous prime is 2167189. The next prime is 2167237. The reversal of 2167229 is 9227612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2167229 - 2²⁰ = 1118653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2167259) 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, 662 + ... + 2184.

It is an arithmetic number, because the mean of its divisors is an integer number (542544).

2^2167229 is an apocalyptic number.

It is an amenable number.

2167229 is a deficient number, since it is larger than the sum of its proper divisors (2947).

2167229 is a wasteful number, since it uses less digits than its factorization.

2167229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946.

The product of its digits is 3024, while the sum is 29.

The square root of 2167229 is about 1472.1511471313. The cubic root of 2167229 is about 129.4101283094.

The spelling of 2167229 in words is "two million, one hundred sixty-seven thousand, two hundred twenty-nine".