16822143 has 12 divisors (see below), whose sum is σ = 26167960. Its totient is φ = 10352016.

The previous prime is 16822133. The next prime is 16822187. The reversal of 16822143 is 34122861.

It is not a de Polignac number, because 16822143 - 2⁸ = 16821887 is a prime.

It is a super-2 number, since 2×16822143² = 565968990224898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16822123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71773 + ... + 72006.

Almost surely, 2^16822143 is an apocalyptic number.

16822143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16822143 is a deficient number, since it is larger than the sum of its proper divisors (9345817).

16822143 is a wasteful number, since it uses less digits than its factorization.

16822143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143798 (or 143795 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 16822143 is about 4101.4805863249. The cubic root of 16822143 is about 256.2283068687.

The spelling of 16822143 in words is "sixteen million, eight hundred twenty-two thousand, one hundred forty-three".