163022434 has 4 divisors (see below), whose sum is σ = 244533654. Its totient is φ = 81511216.

The previous prime is 163022429. The next prime is 163022443. The reversal of 163022434 is 434220361.

163022434 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434220361 = 53 ⋅8192837.

It can be written as a sum of positive squares in only one way, i.e., 152152225 + 10870209 = 12335^2 + 3297^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163022399 and 163022408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40755607 + ... + 40755610.

Almost surely, 2^163022434 is an apocalyptic number.

163022434 is a deficient number, since it is larger than the sum of its proper divisors (81511220).

163022434 is an equidigital number, since it uses as much as digits as its factorization.

163022434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81511219.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 163022434 is about 12768.0238878223. The cubic root of 163022434 is about 546.2806167089.

Adding to 163022434 its reverse (434220361), we get a palindrome (597242795).

The spelling of 163022434 in words is "one hundred sixty-three million, twenty-two thousand, four hundred thirty-four".