3718229 has 2 divisors, whose sum is σ = 3718230. Its totient is φ = 3718228.

The previous prime is 3718207. The next prime is 3718259. The reversal of 3718229 is 9228173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3713329 + 4900 = 1927^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 3718229 - 2¹² = 3714133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3718195 and 3718204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3718259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1859114 + 1859115.

It is an arithmetic number, because the mean of its divisors is an integer number (1859115).

Almost surely, 2^3718229 is an apocalyptic number.

It is an amenable number.

3718229 is a deficient number, since it is larger than the sum of its proper divisors (1).

3718229 is an equidigital number, since it uses as much as digits as its factorization.

3718229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 3718229 is about 1928.2709871800. The cubic root of 3718229 is about 154.9216253094.

The spelling of 3718229 in words is "three million, seven hundred eighteen thousand, two hundred twenty-nine".