163143222 has 32 divisors (see below), whose sum is σ = 362672640. Its totient is φ = 48503520.

The previous prime is 163143217. The next prime is 163143259. The reversal of 163143222 is 222341361.

It is a junction number, because it is equal to n+sod(n) for n = 163143192 and 163143201.

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, 19822 + ... + 26817.

It is an arithmetic number, because the mean of its divisors is an integer number (11333520).

Almost surely, 2^163143222 is an apocalyptic number.

163143222 is an abundant number, since it is smaller than the sum of its proper divisors (199529418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163143222 is a wasteful number, since it uses less digits than its factorization.

163143222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46708.

The product of its digits is 1728, while the sum is 24.

The square root of 163143222 is about 12772.7531096471. The cubic root of 163143222 is about 546.4155017300.

Adding to 163143222 its reverse (222341361), we get a palindrome (385484583).

The spelling of 163143222 in words is "one hundred sixty-three million, one hundred forty-three thousand, two hundred twenty-two".