102222165 has 16 divisors (see below), whose sum is σ = 164275200. Its totient is φ = 54278592.

The previous prime is 102222149. The next prime is 102222167. The reversal of 102222165 is 561222201.

It is a happy number.

It is not a de Polignac number, because 102222165 - 2⁴ = 102222149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11445 + ... + 18314.

It is an arithmetic number, because the mean of its divisors is an integer number (10267200).

Almost surely, 2^102222165 is an apocalyptic number.

102222165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102222165 is a deficient number, since it is larger than the sum of its proper divisors (62053035).

102222165 is a wasteful number, since it uses less digits than its factorization.

102222165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29996.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 102222165 is about 10110.4977622271. The cubic root of 102222165 is about 467.5718516537.

Adding to 102222165 its reverse (561222201), we get a palindrome (663444366).

The spelling of 102222165 in words is "one hundred two million, two hundred twenty-two thousand, one hundred sixty-five".