102217888 has 24 divisors (see below), whose sum is σ = 209992608. Its totient is φ = 48886464.

The previous prime is 102217847. The next prime is 102217897. The reversal of 102217888 is 888712201.

It is a congruent 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, 68706 + ... + 70177.

It is an arithmetic number, because the mean of its divisors is an integer number (8749692).

Almost surely, 2^102217888 is an apocalyptic number.

It is an amenable number.

102217888 is an abundant number, since it is smaller than the sum of its proper divisors (107774720).

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

102217888 is a wasteful number, since it uses less digits than its factorization.

102217888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138916 (or 138908 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 37.

The square root of 102217888 is about 10110.2862471841. The cubic root of 102217888 is about 467.5653304565.

The spelling of 102217888 in words is "one hundred two million, two hundred seventeen thousand, eight hundred eighty-eight".