224785001993 has 4 divisors (see below), whose sum is σ = 225850333968. Its totient is φ = 223719670020.

The previous prime is 224785001989. The next prime is 224785002023. The reversal of 224785001993 is 399100587422.

224785001993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 224785001993 - 2² = 224785001989 is a prime.

It is a super-3 number, since 3×224785001993³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224785001983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532665671 + ... + 532666092.

It is an arithmetic number, because the mean of its divisors is an integer number (56462583492).

Almost surely, 2^224785001993 is an apocalyptic number.

It is an amenable number.

224785001993 is a deficient number, since it is larger than the sum of its proper divisors (1065331975).

224785001993 is a wasteful number, since it uses less digits than its factorization.

224785001993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065331974.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 224785001993 in words is "two hundred twenty-four billion, seven hundred eighty-five million, one thousand, nine hundred ninety-three".