102290208 has 24 divisors (see below), whose sum is σ = 268512048. Its totient is φ = 34096704.

The previous prime is 102290191. The next prime is 102290213. The reversal of 102290208 is 802092201.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 532666 + ... + 532857.

It is an arithmetic number, because the mean of its divisors is an integer number (11188002).

Almost surely, 2^102290208 is an apocalyptic number.

It is an amenable number.

102290208 is an abundant number, since it is smaller than the sum of its proper divisors (166221840).

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

102290208 is a wasteful number, since it uses less digits than its factorization.

102290208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065536 (or 1065528 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 102290208 is about 10113.8621703086. The cubic root of 102290208 is about 467.6755732390.

The spelling of 102290208 in words is "one hundred two million, two hundred ninety thousand, two hundred eight".