663227 has 4 divisors (see below), whose sum is σ = 665040. Its totient is φ = 661416.

The previous prime is 663209. The next prime is 663239. The reversal of 663227 is 722366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722366 = 2 ⋅361183.

It is a cyclic number.

It is not a de Polignac number, because 663227 - 2⁶ = 663163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 663196 and 663205.

It is not an unprimeable number, because it can be changed into a prime (663127) 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, 143 + ... + 1160.

It is an arithmetic number, because the mean of its divisors is an integer number (166260).

2⁶⁶³²²⁷ is an apocalyptic number.

663227 is a deficient number, since it is larger than the sum of its proper divisors (1813).

663227 is a wasteful number, since it uses less digits than its factorization.

663227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812.

The product of its digits is 3024, while the sum is 26.

The square root of 663227 is about 814.3874999041. The cubic root of 663227 is about 87.2075460602.

The spelling of 663227 in words is "six hundred sixty-three thousand, two hundred twenty-seven".