663224234 has 16 divisors (see below), whose sum is σ = 1005397800. Its totient is φ = 328100544.

The previous prime is 663224231. The next prime is 663224239. The reversal of 663224234 is 432422366.

It can be written as a sum of positive squares in 4 ways, for example, as 557196025 + 106028209 = 23605^2 + 10297^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 663224234.

It is not an unprimeable number, because it can be changed into a prime (663224231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189452 + ... + 192920.

Almost surely, 2^663224234 is an apocalyptic number.

663224234 is a deficient number, since it is larger than the sum of its proper divisors (342173566).

663224234 is a wasteful number, since it uses less digits than its factorization.

663224234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457.

The product of its digits is 41472, while the sum is 32.

The square root of 663224234 is about 25753.1402745374. The cubic root of 663224234 is about 872.0742482650.

The spelling of 663224234 in words is "six hundred sixty-three million, two hundred twenty-four thousand, two hundred thirty-four".