163333225 has 24 divisors (see below), whose sum is σ = 225664128. Its totient is φ = 116251200.

The previous prime is 163333199. The next prime is 163333241. The reversal of 163333225 is 522333361.

It is not a de Polignac number, because 163333225 - 2⁹ = 163332713 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 163333193 and 163333202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6607 + ... + 19243.

It is an arithmetic number, because the mean of its divisors is an integer number (9402672).

Almost surely, 2^163333225 is an apocalyptic number.

It is an amenable number.

163333225 is a deficient number, since it is larger than the sum of its proper divisors (62330903).

163333225 is a wasteful number, since it uses less digits than its factorization.

163333225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12705 (or 12700 counting only the distinct ones).

The product of its digits is 9720, while the sum is 28.

The square root of 163333225 is about 12780.1887701239. The cubic root of 163333225 is about 546.6275450803.

Adding to 163333225 its reverse (522333361), we get a palindrome (685666586).

The spelling of 163333225 in words is "one hundred sixty-three million, three hundred thirty-three thousand, two hundred twenty-five".