16622198 has 4 divisors (see below), whose sum is σ = 24933300. Its totient is φ = 8311098.

The previous prime is 16622159. The next prime is 16622201. The reversal of 16622198 is 89122661.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4155548 + ... + 4155551.

It is an arithmetic number, because the mean of its divisors is an integer number (6233325).

Almost surely, 2^16622198 is an apocalyptic number.

16622198 is a deficient number, since it is larger than the sum of its proper divisors (8311102).

16622198 is an equidigital number, since it uses as much as digits as its factorization.

16622198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8311101.

The product of its digits is 10368, while the sum is 35.

The square root of 16622198 is about 4077.0329898101. The cubic root of 16622198 is about 255.2090967267.

The spelling of 16622198 in words is "sixteen million, six hundred twenty-two thousand, one hundred ninety-eight".