102202223232 has 128 divisors (see below), whose sum is σ = 279003553920. Its totient is φ = 33128038400.

The previous prime is 102202223219. The next prime is 102202223261. The reversal of 102202223232 is 232322202201.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 102202223199 and 102202223208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4885948 + ... + 4906820.

It is an arithmetic number, because the mean of its divisors is an integer number (2179715265).

Almost surely, 2^102202223232 is an apocalyptic number.

102202223232 is a gapful number since it is divisible by the number (12) 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 102202223232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139501776960).

102202223232 is an abundant number, since it is smaller than the sum of its proper divisors (176801330688).

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

102202223232 is a wasteful number, since it uses less digits than its factorization.

102202223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21242 (or 21230 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 102202223232 its reverse (232322202201), we get a palindrome (334524425433).

The spelling of 102202223232 in words is "one hundred two billion, two hundred two million, two hundred twenty-three thousand, two hundred thirty-two".