163422625 has 16 divisors (see below), whose sum is σ = 207417600. Its totient is φ = 128516400.

The previous prime is 163422587. The next prime is 163422689. The reversal of 163422625 is 526224361.

163422625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163422625 - 2⁹ = 163422113 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3705 + ... + 18454.

It is an arithmetic number, because the mean of its divisors is an integer number (12963600).

Almost surely, 2^163422625 is an apocalyptic number.

It is an amenable number.

163422625 is a deficient number, since it is larger than the sum of its proper divisors (43994975).

163422625 is an equidigital number, since it uses as much as digits as its factorization.

163422625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22233 (or 22223 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 163422625 is about 12783.6858925742. The cubic root of 163422625 is about 546.7272585938.

Adding to 163422625 its reverse (526224361), we get a palindrome (689646986).

The spelling of 163422625 in words is "one hundred sixty-three million, four hundred twenty-two thousand, six hundred twenty-five".