102204234 has 64 divisors (see below), whose sum is σ = 251268480. Its totient is φ = 30533760.

The previous prime is 102204233. The next prime is 102204239. The reversal of 102204234 is 432402201.

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

It is not an unprimeable number, because it can be changed into a prime (102204233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42184 + ... + 44540.

It is an arithmetic number, because the mean of its divisors is an integer number (3926070).

Almost surely, 2^102204234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102204234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125634240).

102204234 is an abundant number, since it is smaller than the sum of its proper divisors (149064246).

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

102204234 is a wasteful number, since it uses less digits than its factorization.

102204234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 102204234 is about 10109.6109717437. The cubic root of 102204234 is about 467.5445108086.

Adding to 102204234 its reverse (432402201), we get a palindrome (534606435).

The spelling of 102204234 in words is "one hundred two million, two hundred four thousand, two hundred thirty-four".