163607222 has 4 divisors (see below), whose sum is σ = 245410836. Its totient is φ = 81803610.

The previous prime is 163607221. The next prime is 163607231. The reversal of 163607222 is 222706361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222706361 = 1831 ⋅121631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163607221) 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 as a sum of consecutive naturals, namely, 40901804 + ... + 40901807.

It is an arithmetic number, because the mean of its divisors is an integer number (61352709).

Almost surely, 2^163607222 is an apocalyptic number.

163607222 is a deficient number, since it is larger than the sum of its proper divisors (81803614).

163607222 is an equidigital number, since it uses as much as digits as its factorization.

163607222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81803613.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 163607222 is about 12790.9038773654. The cubic root of 163607222 is about 546.9330363746.

The spelling of 163607222 in words is "one hundred sixty-three million, six hundred seven thousand, two hundred twenty-two".