16220827 has 8 divisors (see below), whose sum is σ = 18600192. Its totient is φ = 13857000.

The previous prime is 16220807. The next prime is 16220881. The reversal of 16220827 is 72802261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16220827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16220795 and 16220804.

It is not an unprimeable number, because it can be changed into a prime (16220807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549 + ... + 5902.

It is an arithmetic number, because the mean of its divisors is an integer number (2325024).

Almost surely, 2^16220827 is an apocalyptic number.

16220827 is a deficient number, since it is larger than the sum of its proper divisors (2379365).

16220827 is an equidigital number, since it uses as much as digits as its factorization.

16220827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7769.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 16220827 is about 4027.5087833548. The cubic root of 16220827 is about 253.1381863171.

The spelling of 16220827 in words is "sixteen million, two hundred twenty thousand, eight hundred twenty-seven".