163383225 has 12 divisors (see below), whose sum is σ = 270127056. Its totient is φ = 87137680.

The previous prime is 163383221. The next prime is 163383247. The reversal of 163383225 is 522383361.

It is not a de Polignac number, because 163383225 - 2² = 163383221 is a prime.

It is a super-2 number, since 2×163383225² = 53388156422801250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163383221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1089147 + ... + 1089296.

It is an arithmetic number, because the mean of its divisors is an integer number (22510588).

Almost surely, 2^163383225 is an apocalyptic number.

163383225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163383225 is a deficient number, since it is larger than the sum of its proper divisors (106743831).

163383225 is a wasteful number, since it uses less digits than its factorization.

163383225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178456 (or 2178451 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 163383225 is about 12782.1447730809. The cubic root of 163383225 is about 546.6833177475.

The spelling of 163383225 in words is "one hundred sixty-three million, three hundred eighty-three thousand, two hundred twenty-five".