224000643 has 6 divisors (see below), whose sum is σ = 298702092. Its totient is φ = 149316480.

The previous prime is 224000597. The next prime is 224000659. The reversal of 224000643 is 346000422.

It is not a de Polignac number, because 224000643 - 2⁹ = 224000131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224000663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21603 + ... + 30243.

It is an arithmetic number, because the mean of its divisors is an integer number (49783682).

Almost surely, 2^224000643 is an apocalyptic number.

224000643 is a deficient number, since it is larger than the sum of its proper divisors (74701449).

224000643 is an frugal number, since it uses more digits than its factorization.

224000643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17285 (or 8644 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 224000643 is about 14966.6510282027. The cubic root of 224000643 is about 607.3183754837.

The spelling of 224000643 in words is "two hundred twenty-four million, six hundred forty-three", and thus it is an aban number.