102218882 has 4 divisors (see below), whose sum is σ = 153328326. Its totient is φ = 51109440.

The previous prime is 102218839. The next prime is 102218887. The reversal of 102218882 is 288812201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 74666881 + 27552001 = 8641^2 + 5249^2 .

It is not an unprimeable number, because it can be changed into a prime (102218887) by changing a digit.

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 as a sum of consecutive naturals, namely, 25554719 + ... + 25554722.

Almost surely, 2^102218882 is an apocalyptic number.

102218882 is a deficient number, since it is larger than the sum of its proper divisors (51109444).

102218882 is an equidigital number, since it uses as much as digits as its factorization.

102218882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51109443.

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 102218882 is about 10110.3354049210. The cubic root of 102218882 is about 467.5668460374.

The spelling of 102218882 in words is "one hundred two million, two hundred eighteen thousand, eight hundred eighty-two".