224300021999 has 4 divisors (see below), whose sum is σ = 224355725064. Its totient is φ = 224244318936.

The previous prime is 224300021977. The next prime is 224300022007. The reversal of 224300021999 is 999120003422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224300021999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224300021299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27845492 + ... + 27853545.

It is an arithmetic number, because the mean of its divisors is an integer number (56088931266).

Almost surely, 2^224300021999 is an apocalyptic number.

224300021999 is a deficient number, since it is larger than the sum of its proper divisors (55703065).

224300021999 is an equidigital number, since it uses as much as digits as its factorization.

224300021999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55703064.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 224300021999 in words is "two hundred twenty-four billion, three hundred million, twenty-one thousand, nine hundred ninety-nine".