102228 has 24 divisors (see below), whose sum is σ = 272832. Its totient is φ = 29184.

The previous prime is 102217. The next prime is 102229. The reversal of 102228 is 822201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525 + ... + 692.

It is an arithmetic number, because the mean of its divisors is an integer number (11368).

2¹⁰²²²⁸ is an apocalyptic number.

It is an amenable number.

102228 is an abundant number, since it is smaller than the sum of its proper divisors (170604).

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

102228 is a wasteful number, since it uses less digits than its factorization.

102228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 102228 is about 319.7311370511. The cubic root of 102228 is about 46.7580748060.

Adding to 102228 its reverse (822201), we get a palindrome (924429).

The spelling of 102228 in words is "one hundred two thousand, two hundred twenty-eight".