663132422 has 4 divisors (see below), whose sum is σ = 994698636. Its totient is φ = 331566210.

The previous prime is 663132419. The next prime is 663132461. The reversal of 663132422 is 224231366.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165783104 + ... + 165783107.

It is an arithmetic number, because the mean of its divisors is an integer number (248674659).

Almost surely, 2^663132422 is an apocalyptic number.

663132422 is a deficient number, since it is larger than the sum of its proper divisors (331566214).

663132422 is a wasteful number, since it uses less digits than its factorization.

663132422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331566213.

The product of its digits is 10368, while the sum is 29.

The square root of 663132422 is about 25751.3576729461. The cubic root of 663132422 is about 872.0340051759.

Adding to 663132422 its reverse (224231366), we get a palindrome (887363788).

The spelling of 663132422 in words is "six hundred sixty-three million, one hundred thirty-two thousand, four hundred twenty-two".