102221850 has 48 divisors (see below), whose sum is σ = 268429248. Its totient is φ = 25655040.

The previous prime is 102221831. The next prime is 102221857. The reversal of 102221850 is 58122201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102221857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17494 + ... + 22593.

It is an arithmetic number, because the mean of its divisors is an integer number (5592276).

Almost surely, 2^102221850 is an apocalyptic number.

102221850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221850 is an abundant number, since it is smaller than the sum of its proper divisors (166207398).

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

102221850 is a wasteful number, since it uses less digits than its factorization.

102221850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40119 (or 40114 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 102221850 is about 10110.4821843471. The cubic root of 102221850 is about 467.5713713754.

The spelling of 102221850 in words is "one hundred two million, two hundred twenty-one thousand, eight hundred fifty".