102002202 has 12 divisors (see below), whose sum is σ = 221004810. Its totient is φ = 34000728.

The previous prime is 102002191. The next prime is 102002249. The reversal of 102002202 is 202200201.

It can be written as a sum of positive squares in only one way, i.e., 84437721 + 17564481 = 9189^2 + 4191^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2833377 + ... + 2833412.

Almost surely, 2^102002202 is an apocalyptic number.

102002202 is an abundant number, since it is smaller than the sum of its proper divisors (119002608).

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

102002202 is a wasteful number, since it uses less digits than its factorization.

102002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666797 (or 5666794 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 102002202 is about 10099.6139530182. The cubic root of 102002202 is about 467.2362350557.

Adding to 102002202 its reverse (202200201), we get a palindrome (304202403).

The spelling of 102002202 in words is "one hundred two million, two thousand, two hundred two".