102225340 has 96 divisors (see below), whose sum is σ = 261273600. Its totient is φ = 32837376.

The previous prime is 102225313. The next prime is 102225349. The reversal of 102225340 is 43522201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102225349) 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, 170361 + ... + 170959.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^102225340 is an apocalyptic number.

102225340 is a gapful number since it is divisible by the number (10) 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 102225340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130636800).

102225340 is an abundant number, since it is smaller than the sum of its proper divisors (159048260).

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

102225340 is a wasteful number, since it uses less digits than its factorization.

102225340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 102225340 is about 10110.6547760271. The cubic root of 102225340 is about 467.5766924997.

Adding to 102225340 its reverse (43522201), we get a palindrome (145747541).

It can be divided in two parts, 1022 and 25340, that added together give a palindrome (26362).

The spelling of 102225340 in words is "one hundred two million, two hundred twenty-five thousand, three hundred forty".