3618229 has 4 divisors (see below), whose sum is σ = 3831084. Its totient is φ = 3405376.

The previous prime is 3618217. The next prime is 3618233. The reversal of 3618229 is 9228163.

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 2856100 + 762129 = 1690^2 + 873^2 .

It is a cyclic number.

It is not a de Polignac number, because 3618229 - 2⁷ = 3618101 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3618229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618239) 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, 106402 + ... + 106435.

It is an arithmetic number, because the mean of its divisors is an integer number (957771).

Almost surely, 2^3618229 is an apocalyptic number.

It is an amenable number.

3618229 is a deficient number, since it is larger than the sum of its proper divisors (212855).

3618229 is a wasteful number, since it uses less digits than its factorization.

3618229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212854.

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

The square root of 3618229 is about 1902.1642936403. The cubic root of 3618229 is about 153.5201372712.

The spelling of 3618229 in words is "three million, six hundred eighteen thousand, two hundred twenty-nine".