224556668 has 24 divisors (see below), whose sum is σ = 472752000. Its totient is φ = 91173168.

The previous prime is 224556667. The next prime is 224556679. The reversal of 224556668 is 866655422.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224556667) 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, 210518 + ... + 211581.

It is an arithmetic number, because the mean of its divisors is an integer number (19698000).

Almost surely, 2^224556668 is an apocalyptic number.

224556668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

224556668 is an abundant number, since it is smaller than the sum of its proper divisors (248195332).

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

224556668 is a wasteful number, since it uses less digits than its factorization.

224556668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422129 (or 422127 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 224556668 is about 14985.2149801062. The cubic root of 224556668 is about 607.8204650829.

The spelling of 224556668 in words is "two hundred twenty-four million, five hundred fifty-six thousand, six hundred sixty-eight".