163225234 has 4 divisors (see below), whose sum is σ = 244837854. Its totient is φ = 81612616.

The previous prime is 163225229. The next prime is 163225243. The reversal of 163225234 is 432522361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432522361 = 3061 ⋅141301.

It can be written as a sum of positive squares in only one way, i.e., 160655625 + 2569609 = 12675^2 + 1603^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40806307 + ... + 40806310.

Almost surely, 2^163225234 is an apocalyptic number.

163225234 is a deficient number, since it is larger than the sum of its proper divisors (81612620).

163225234 is an equidigital number, since it uses as much as digits as its factorization.

163225234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81612619.

The product of its digits is 8640, while the sum is 28.

The square root of 163225234 is about 12775.9631339481. The cubic root of 163225234 is about 546.5070473069.

Adding to 163225234 its reverse (432522361), we get a palindrome (595747595).

The spelling of 163225234 in words is "one hundred sixty-three million, two hundred twenty-five thousand, two hundred thirty-four".