224320038818 has 18 divisors (see below), whose sum is σ = 351769852497. Its totient is φ = 107276128960.

The previous prime is 224320038731. The next prime is 224320038829. The reversal of 224320038818 is 818830023422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 181461516289 + 42858522529 = 425983^2 + 207023^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334903.

It is a super-4 number, since 4×224320038818⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15398258 + ... + 15412818.

Almost surely, 2^224320038818 is an apocalyptic number.

224320038818 is a deficient number, since it is larger than the sum of its proper divisors (127449813679).

224320038818 is an frugal number, since it uses more digits than its factorization.

224320038818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29170 (or 14586 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 224320038818 in words is "two hundred twenty-four billion, three hundred twenty million, thirty-eight thousand, eight hundred eighteen".