223990615298 has 18 divisors (see below), whose sum is σ = 337256712099. Its totient is φ = 111573305172.

The previous prime is 223990615291. The next prime is 223990615319. The reversal of 223990615298 is 892516099322.

It can be written as a sum of positive squares in only one way, i.e., 111995307649 + 111995307649 = 334657^2 + 334657^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334657.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223990615291) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 253669565 + ... + 253670447.

Almost surely, 2^223990615298 is an apocalyptic number.

223990615298 is a deficient number, since it is larger than the sum of its proper divisors (113266096801).

223990615298 is an frugal number, since it uses more digits than its factorization.

223990615298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 223990615298 in words is "two hundred twenty-three billion, nine hundred ninety million, six hundred fifteen thousand, two hundred ninety-eight".