268224643 has 8 divisors (see below), whose sum is σ = 280051200. Its totient is φ = 256411848.

The previous prime is 268224637. The next prime is 268224667. The reversal of 268224643 is 346422862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268224643 - 2⁵ = 268224611 is a prime.

It is a super-2 number, since 2×268224643² = 143888918224954898, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (268224613) 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, 69868 + ... + 73606.

It is an arithmetic number, because the mean of its divisors is an integer number (35006400).

Almost surely, 2^268224643 is an apocalyptic number.

268224643 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

268224643 is a deficient number, since it is larger than the sum of its proper divisors (11826557).

268224643 is a wasteful number, since it uses less digits than its factorization.

268224643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6881.

The product of its digits is 110592, while the sum is 37.

The square root of 268224643 is about 16377.5652341855. The cubic root of 268224643 is about 644.9106644695.

The spelling of 268224643 in words is "two hundred sixty-eight million, two hundred twenty-four thousand, six hundred forty-three".