259966224 has 60 divisors (see below), whose sum is σ = 831482496. Its totient is φ = 74275776.

The previous prime is 259966211. The next prime is 259966243. The reversal of 259966224 is 422669952.

It is a self number, because there is not a number n which added to its sum of digits gives 259966224.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127944 + ... + 129959.

Almost surely, 2^259966224 is an apocalyptic number.

259966224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

259966224 is an abundant number, since it is smaller than the sum of its proper divisors (571516272).

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

259966224 is a wasteful number, since it uses less digits than its factorization.

259966224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257924 (or 257915 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 259966224 is about 16123.4681132813. The cubic root of 259966224 is about 638.2227908090. Note that the first 3 decimals are identical.

The spelling of 259966224 in words is "two hundred fifty-nine million, nine hundred sixty-six thousand, two hundred twenty-four".