4182229 has 4 divisors (see below), whose sum is σ = 4186476. Its totient is φ = 4177984.

The previous prime is 4182209. The next prime is 4182239. The reversal of 4182229 is 9222814.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9222814 = 2 ⋅4611407.

It can be written as a sum of positive squares in 2 ways, for example, as 996004 + 3186225 = 998^2 + 1785^2 .

It is a cyclic number.

It is not a de Polignac number, because 4182229 - 2⁹ = 4181717 is a prime.

It is a Duffinian number.

4182229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4182197 and 4182206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4182209) 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, 207 + ... + 2899.

It is an arithmetic number, because the mean of its divisors is an integer number (1046619).

Almost surely, 2^4182229 is an apocalyptic number.

It is an amenable number.

4182229 is a deficient number, since it is larger than the sum of its proper divisors (4247).

4182229 is a wasteful number, since it uses less digits than its factorization.

4182229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246.

The product of its digits is 2304, while the sum is 28.

The square root of 4182229 is about 2045.0498771424. The cubic root of 4182229 is about 161.1149854355.

The spelling of 4182229 in words is "four million, one hundred eighty-two thousand, two hundred twenty-nine".