16214428 has 6 divisors (see below), whose sum is σ = 28375256. Its totient is φ = 8107212.

The previous prime is 16214417. The next prime is 16214431. The reversal of 16214428 is 82441261.

It is a junction number, because it is equal to n+sod(n) for n = 16214396 and 16214405.

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, 2026800 + ... + 2026807.

Almost surely, 2^16214428 is an apocalyptic number.

It is an amenable number.

16214428 is a deficient number, since it is larger than the sum of its proper divisors (12160828).

16214428 is a wasteful number, since it uses less digits than its factorization.

16214428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053611 (or 4053609 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 16214428 is about 4026.7142933166. The cubic root of 16214428 is about 253.1048948722.

Adding to 16214428 its reverse (82441261), we get a palindrome (98655689).

The spelling of 16214428 in words is "sixteen million, two hundred fourteen thousand, four hundred twenty-eight".