102225387 has 8 divisors (see below), whose sum is σ = 148691520. Its totient is φ = 61954760.

The previous prime is 102225379. The next prime is 102225407. The reversal of 102225387 is 783522201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102225387 - 2³ = 102225379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102225787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548837 + ... + 1548902.

It is an arithmetic number, because the mean of its divisors is an integer number (18586440).

Almost surely, 2^102225387 is an apocalyptic number.

102225387 is a deficient number, since it is larger than the sum of its proper divisors (46466133).

102225387 is a wasteful number, since it uses less digits than its factorization.

102225387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097753.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 102225387 is about 10110.6571003076. The cubic root of 102225387 is about 467.5767641587.

Adding to 102225387 its reverse (783522201), we get a palindrome (885747588).

The spelling of 102225387 in words is "one hundred two million, two hundred twenty-five thousand, three hundred eighty-seven".