102227328 has 144 divisors (see below), whose sum is σ = 342386460. Its totient is φ = 29191680.

The previous prime is 102227317. The next prime is 102227329. The reversal of 102227328 is 823722201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102227329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55543 + ... + 57353.

Almost surely, 2^102227328 is an apocalyptic number.

102227328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102227328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171193230).

102227328 is an abundant number, since it is smaller than the sum of its proper divisors (240159132).

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

102227328 is a wasteful number, since it uses less digits than its factorization.

102227328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 102227328 is about 10110.7530876785. The cubic root of 102227328 is about 467.5797235043.

Adding to 102227328 its reverse (823722201), we get a palindrome (925949529).

The spelling of 102227328 in words is "one hundred two million, two hundred twenty-seven thousand, three hundred twenty-eight".