663006122 has 4 divisors (see below), whose sum is σ = 994509186. Its totient is φ = 331503060.

The previous prime is 663006109. The next prime is 663006139. The reversal of 663006122 is 221600366.

663006122 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.

It can be written as a sum of positive squares in only one way, i.e., 586075681 + 76930441 = 24209^2 + 8771^2 .

It is a junction number, because it is equal to n+sod(n) for n = 663006091 and 663006100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165751529 + ... + 165751532.

Almost surely, 2^663006122 is an apocalyptic number.

663006122 is a deficient number, since it is larger than the sum of its proper divisors (331503064).

663006122 is a wasteful number, since it uses less digits than its factorization.

663006122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331503063.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 663006122 is about 25748.9052582823. The cubic root of 663006122 is about 871.9786392167.

Adding to 663006122 its reverse (221600366), we get a palindrome (884606488).

The spelling of 663006122 in words is "six hundred sixty-three million, six thousand, one hundred twenty-two".