4638227 has 4 divisors (see below), whose sum is σ = 5059896. Its totient is φ = 4216560.

The previous prime is 4638211. The next prime is 4638239. The reversal of 4638227 is 7228364.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4638227 - 2⁴ = 4638211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4638193 and 4638202.

It is not an unprimeable number, because it can be changed into a prime (4638247) 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, 210818 + ... + 210839.

It is an arithmetic number, because the mean of its divisors is an integer number (1264974).

Almost surely, 2^4638227 is an apocalyptic number.

4638227 is a deficient number, since it is larger than the sum of its proper divisors (421669).

4638227 is a wasteful number, since it uses less digits than its factorization.

4638227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421668.

The product of its digits is 16128, while the sum is 32.

The square root of 4638227 is about 2153.6543362388. The cubic root of 4638227 is about 166.7697713145.

The spelling of 4638227 in words is "four million, six hundred thirty-eight thousand, two hundred twenty-seven".