663122 has 8 divisors (see below), whose sum is σ = 1002672. Its totient is φ = 328900.

The previous prime is 663097. The next prime is 663127. The reversal of 663122 is 221366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 663094 and 663103.

It is not an unprimeable number, because it can be changed into a prime (663127) by changing a digit.

663122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004 + ... + 1527.

It is an arithmetic number, because the mean of its divisors is an integer number (125334).

2⁶⁶³¹²² is an apocalyptic number.

663122 is a deficient number, since it is larger than the sum of its proper divisors (339550).

663122 is a wasteful number, since it uses less digits than its factorization.

663122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

The product of its digits is 432, while the sum is 20.

The square root of 663122 is about 814.3230317264. The cubic root of 663122 is about 87.2029436764.

Adding to 663122 its reverse (221366), we get a palindrome (884488).

The spelling of 663122 in words is "six hundred sixty-three thousand, one hundred twenty-two".