102238208 has 24 divisors (see below), whose sum is σ = 204430590. Its totient is φ = 51118080.

The previous prime is 102238193. The next prime is 102238211. The reversal of 102238208 is 802832201.

It can be written as a sum of positive squares in only one way, i.e., 68690944 + 33547264 = 8288^2 + 5792^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22913 + ... + 27008.

Almost surely, 2^102238208 is an apocalyptic number.

It is an amenable number.

102238208 is a deficient number, since it is larger than the sum of its proper divisors (102192382).

102238208 is an frugal number, since it uses more digits than its factorization.

102238208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49943 (or 49923 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 102238208 is about 10111.2911143929. The cubic root of 102238208 is about 467.5963110027.

The spelling of 102238208 in words is "one hundred two million, two hundred thirty-eight thousand, two hundred eight".