102216266 has 8 divisors (see below), whose sum is σ = 153467460. Its totient is φ = 51060448.

The previous prime is 102216259. The next prime is 102216299. The reversal of 102216266 is 662612201.

It can be written as a sum of positive squares in 2 ways, for example, as 87965641 + 14250625 = 9379^2 + 3775^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21101 + ... + 25488.

Almost surely, 2^102216266 is an apocalyptic number.

102216266 is a deficient number, since it is larger than the sum of its proper divisors (51251194).

102216266 is a wasteful number, since it uses less digits than its factorization.

102216266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47688.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 102216266 is about 10110.2060315307. The cubic root of 102216266 is about 467.5628573245.

Adding to 102216266 its reverse (662612201), we get a palindrome (764828467).

The spelling of 102216266 in words is "one hundred two million, two hundred sixteen thousand, two hundred sixty-six".