223682816 has 36 divisors (see below), whose sum is σ = 510280512. Its totient is φ = 95863296.

The previous prime is 223682813. The next prime is 223682819. The reversal of 223682816 is 618286322.

It is an interprime number because it is at equal distance from previous prime (223682813) and next prime (223682819).

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 223682816.

It is not an unprimeable number, because it can be changed into a prime (223682813) 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, 60620 + ... + 64203.

Almost surely, 2^223682816 is an apocalyptic number.

It is an amenable number.

223682816 is an abundant number, since it is smaller than the sum of its proper divisors (286597696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223682816 is an equidigital number, since it uses as much as digits as its factorization.

223682816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124846 (or 124832 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 223682816 is about 14956.0294196020. The cubic root of 223682816 is about 607.0310049690.

The spelling of 223682816 in words is "two hundred twenty-three million, six hundred eighty-two thousand, eight hundred sixteen".