4018229 has 4 divisors (see below), whose sum is σ = 4022976. Its totient is φ = 4013484.

The previous prime is 4018207. The next prime is 4018243. The reversal of 4018229 is 9228104.

4018229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4018229 - 2¹² = 4014133 is a prime.

It is a super-2 number, since 2×4018229² = 32292328592882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4018198 and 4018207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4018249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719 + ... + 2924.

It is an arithmetic number, because the mean of its divisors is an integer number (1005744).

Almost surely, 2^4018229 is an apocalyptic number.

It is an amenable number.

4018229 is a deficient number, since it is larger than the sum of its proper divisors (4747).

4018229 is a wasteful number, since it uses less digits than its factorization.

4018229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4018229 is about 2004.5520696654. The cubic root of 4018229 is about 158.9808792587.

The spelling of 4018229 in words is "four million, eighteen thousand, two hundred twenty-nine".