163449222 has 8 divisors (see below), whose sum is σ = 326898456. Its totient is φ = 54483072.

The previous prime is 163449211. The next prime is 163449227. The reversal of 163449222 is 222944361.

It is a sphenic number, since it is the product of 3 distinct primes.

163449222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163449227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13620763 + ... + 13620774.

It is an arithmetic number, because the mean of its divisors is an integer number (40862307).

Almost surely, 2^163449222 is an apocalyptic number.

163449222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163449222 is a wasteful number, since it uses less digits than its factorization.

163449222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27241542.

The product of its digits is 20736, while the sum is 33.

The square root of 163449222 is about 12784.7261214310. The cubic root of 163449222 is about 546.7569169028.

The spelling of 163449222 in words is "one hundred sixty-three million, four hundred forty-nine thousand, two hundred twenty-two".