16859224 has 8 divisors (see below), whose sum is σ = 31611060. Its totient is φ = 8429608.

The previous prime is 16859221. The next prime is 16859233. The reversal of 16859224 is 42295861.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16859221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053694 + ... + 1053709.

Almost surely, 2^16859224 is an apocalyptic number.

It is an amenable number.

16859224 is a deficient number, since it is larger than the sum of its proper divisors (14751836).

16859224 is a wasteful number, since it uses less digits than its factorization.

16859224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107409 (or 2107405 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 16859224 is about 4105.9985387236. The cubic root of 16859224 is about 256.4164364712.

The spelling of 16859224 in words is "sixteen million, eight hundred fifty-nine thousand, two hundred twenty-four".