16220198 has 12 divisors (see below), whose sum is σ = 25435788. Its totient is φ = 7756980.

The previous prime is 16220189. The next prime is 16220207. The reversal of 16220198 is 89102261.

It is an interprime number because it is at equal distance from previous prime (16220189) and next prime (16220207).

It is a self number, because there is not a number n which added to its sum of digits gives 16220198.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6608 + ... + 8723.

It is an arithmetic number, because the mean of its divisors is an integer number (2119649).

Almost surely, 2^16220198 is an apocalyptic number.

16220198 is a deficient number, since it is larger than the sum of its proper divisors (9215590).

16220198 is a wasteful number, since it uses less digits than its factorization.

16220198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15379 (or 15356 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 16220198 is about 4027.4306946241. The cubic root of 16220198 is about 253.1349142690.

The spelling of 16220198 in words is "sixteen million, two hundred twenty thousand, one hundred ninety-eight".