102229938 has 40 divisors (see below), whose sum is σ = 231861168. Its totient is φ = 33661656.

The previous prime is 102229903. The next prime is 102229957. The reversal of 102229938 is 839922201.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9645 + ... + 17247.

Almost surely, 2^102229938 is an apocalyptic number.

102229938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102229938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115930584).

102229938 is an abundant number, since it is smaller than the sum of its proper divisors (129631230).

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

102229938 is an equidigital number, since it uses as much as digits as its factorization.

102229938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700 (or 7691 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 102229938 is about 10110.8821573590. The cubic root of 102229938 is about 467.5837027817.

The spelling of 102229938 in words is "one hundred two million, two hundred twenty-nine thousand, nine hundred thirty-eight".