663202122 has 32 divisors (see below), whose sum is σ = 1447899840. Its totient is φ = 200843520.

The previous prime is 663202081. The next prime is 663202123. The reversal of 663202122 is 221202366.

663202122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 663202092 and 663202101.

It is not an unprimeable number, because it can be changed into a prime (663202123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202248 + ... + 205500.

It is an arithmetic number, because the mean of its divisors is an integer number (45246870).

Almost surely, 2^663202122 is an apocalyptic number.

663202122 is an abundant number, since it is smaller than the sum of its proper divisors (784697718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663202122 is a wasteful number, since it uses less digits than its factorization.

663202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6358.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 663202122 is about 25752.7109640908. The cubic root of 663202122 is about 872.0645564598.

Adding to 663202122 its reverse (221202366), we get a palindrome (884404488).

The spelling of 663202122 in words is "six hundred sixty-three million, two hundred two thousand, one hundred twenty-two".