102230238 has 24 divisors (see below), whose sum is σ = 224739144. Its totient is φ = 30978640.

The previous prime is 102230237. The next prime is 102230243. The reversal of 102230238 is 832032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102230237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69681 + ... + 71132.

It is an arithmetic number, because the mean of its divisors is an integer number (9364131).

Almost surely, 2^102230238 is an apocalyptic number.

102230238 is an abundant number, since it is smaller than the sum of its proper divisors (122508906).

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

102230238 is a wasteful number, since it uses less digits than its factorization.

102230238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140840 (or 140829 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 102230238 is about 10110.8969928489. The cubic root of 102230238 is about 467.5841601656.

Adding to 102230238 its reverse (832032201), we get a palindrome (934262439).

The spelling of 102230238 in words is "one hundred two million, two hundred thirty thousand, two hundred thirty-eight".