224457343501646 has 32 divisors (see below), whose sum is σ = 343251215892000. Its totient is φ = 110064067919872.

The previous prime is 224457343501591. The next prime is 224457343501649. The reversal of 224457343501646 is 646105343754422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 224457343501591 and 224457343501600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224457343501649) 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 15 ways as a sum of consecutive naturals, for example, 3339470 + ... + 21449166.

It is an arithmetic number, because the mean of its divisors is an integer number (10726600496625).

Almost surely, 2^{224457343501646} is an apocalyptic number.

224457343501646 is a deficient number, since it is larger than the sum of its proper divisors (118793872390354).

224457343501646 is a wasteful number, since it uses less digits than its factorization.

224457343501646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18110356.

The product of its (nonzero) digits is 58060800, while the sum is 56.

The spelling of 224457343501646 in words is "two hundred twenty-four trillion, four hundred fifty-seven billion, three hundred forty-three million, five hundred one thousand, six hundred forty-six".