4197229 has 4 divisors (see below), whose sum is σ = 4276476. Its totient is φ = 4117984.

The previous prime is 4197203. The next prime is 4197239. The reversal of 4197229 is 9227914.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9227914 = 2 ⋅4613957.

It can be written as a sum of positive squares in 2 ways, for example, as 2160900 + 2036329 = 1470^2 + 1427^2 .

It is a cyclic number.

It is not a de Polignac number, because 4197229 - 2⁵ = 4197197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4197194 and 4197203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4197239) 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, 39544 + ... + 39649.

It is an arithmetic number, because the mean of its divisors is an integer number (1069119).

Almost surely, 2^4197229 is an apocalyptic number.

It is an amenable number.

4197229 is a deficient number, since it is larger than the sum of its proper divisors (79247).

4197229 is an equidigital number, since it uses as much as digits as its factorization.

4197229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79246.

The product of its digits is 9072, while the sum is 34.

The square root of 4197229 is about 2048.7139868708. The cubic root of 4197229 is about 161.3073741710.

The spelling of 4197229 in words is "four million, one hundred ninety-seven thousand, two hundred twenty-nine".