663062224 has 80 divisors (see below), whose sum is σ = 1474619904. Its totient is φ = 286041600.

The previous prime is 663062219. The next prime is 663062227. The reversal of 663062224 is 422260366.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663062227) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 288022 + ... + 290314.

Almost surely, 2^663062224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663062224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737309952).

663062224 is an abundant number, since it is smaller than the sum of its proper divisors (811557680).

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

663062224 is a wasteful number, since it uses less digits than its factorization.

663062224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 663062224 is about 25749.9946407761. The cubic root of 663062224 is about 872.0032334420.

The spelling of 663062224 in words is "six hundred sixty-three million, sixty-two thousand, two hundred twenty-four".