102902228 has 24 divisors (see below), whose sum is σ = 211562400. Its totient is φ = 43175520.

The previous prime is 102902209. The next prime is 102902249. The reversal of 102902228 is 822209201.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 102902197 and 102902206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89378 + ... + 90521.

It is an arithmetic number, because the mean of its divisors is an integer number (8815100).

Almost surely, 2^102902228 is an apocalyptic number.

It is an amenable number.

102902228 is an abundant number, since it is smaller than the sum of its proper divisors (108660172).

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

102902228 is a wasteful number, since it uses less digits than its factorization.

102902228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179927 (or 179925 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 102902228 is about 10144.0735407429. The cubic root of 102902228 is about 468.6064471116.

The spelling of 102902228 in words is "one hundred two million, nine hundred two thousand, two hundred twenty-eight".