102228210 has 96 divisors (see below), whose sum is σ = 317157120. Its totient is φ = 23363424.

The previous prime is 102228209. The next prime is 102228223. The reversal of 102228210 is 12822201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9367 + ... + 17093.

It is an arithmetic number, because the mean of its divisors is an integer number (3303720).

Almost surely, 2^102228210 is an apocalyptic number.

102228210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102228210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158578560).

102228210 is an abundant number, since it is smaller than the sum of its proper divisors (214928910).

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

102228210 is a wasteful number, since it uses less digits than its factorization.

102228210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757 (or 7744 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 102228210 is about 10110.7967045134. The cubic root of 102228210 is about 467.5810682332.

The spelling of 102228210 in words is "one hundred two million, two hundred twenty-eight thousand, two hundred ten".