102225866 has 8 divisors (see below), whose sum is σ = 153389700. Its totient is φ = 51095968.

The previous prime is 102225859. The next prime is 102225881. The reversal of 102225866 is 668522201.

It can be written as a sum of positive squares in 2 ways, for example, as 98109025 + 4116841 = 9905^2 + 2029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310 + ... + 14358.

Almost surely, 2^102225866 is an apocalyptic number.

102225866 is a deficient number, since it is larger than the sum of its proper divisors (51163834).

102225866 is a wasteful number, since it uses less digits than its factorization.

102225866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16968.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 102225866 is about 10110.6807881567. The cubic root of 102225866 is about 467.5774944695.

The spelling of 102225866 in words is "one hundred two million, two hundred twenty-five thousand, eight hundred sixty-six".