16552227 has 4 divisors (see below), whose sum is σ = 22069640. Its totient is φ = 11034816.

The previous prime is 16552219. The next prime is 16552229. The reversal of 16552227 is 72225561.

16552227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16552227 - 2³ = 16552219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16552194 and 16552203.

It is not an unprimeable number, because it can be changed into a prime (16552229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2758702 + ... + 2758707.

It is an arithmetic number, because the mean of its divisors is an integer number (5517410).

Almost surely, 2^16552227 is an apocalyptic number.

16552227 is a deficient number, since it is larger than the sum of its proper divisors (5517413).

16552227 is an equidigital number, since it uses as much as digits as its factorization.

16552227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517412.

The product of its digits is 8400, while the sum is 30.

The square root of 16552227 is about 4068.4428225059. The cubic root of 16552227 is about 254.8504929067.

Adding to 16552227 its reverse (72225561), we get a palindrome (88777788).

The spelling of 16552227 in words is "sixteen million, five hundred fifty-two thousand, two hundred twenty-seven".