16870224 has 160 divisors (see below), whose sum is σ = 54282240. Its totient is φ = 4409856.

The previous prime is 16870219. The next prime is 16870289. The reversal of 16870224 is 42207861.

It is a junction number, because it is equal to n+sod(n) for n = 16870191 and 16870200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285907 + ... + 285965.

It is an arithmetic number, because the mean of its divisors is an integer number (339264).

Almost surely, 2^16870224 is an apocalyptic number.

16870224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16870224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27141120).

16870224 is an abundant number, since it is smaller than the sum of its proper divisors (37412016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16870224 is a wasteful number, since it uses less digits than its factorization.

16870224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 16870224 is about 4107.3378239439. The cubic root of 16870224 is about 256.4721916587.

The spelling of 16870224 in words is "sixteen million, eight hundred seventy thousand, two hundred twenty-four".