16227115 has 4 divisors (see below), whose sum is σ = 19472544. Its totient is φ = 12981688.

The previous prime is 16227109. The next prime is 16227119. The reversal of 16227115 is 51172261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16227115 is a prime.

It is a super-2 number, since 2×16227115² = 526638522446450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16227115.

It is not an unprimeable number, because it can be changed into a prime (16227119) 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, 1622707 + ... + 1622716.

It is an arithmetic number, because the mean of its divisors is an integer number (4868136).

Almost surely, 2^16227115 is an apocalyptic number.

16227115 is a deficient number, since it is larger than the sum of its proper divisors (3245429).

16227115 is an equidigital number, since it uses as much as digits as its factorization.

16227115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245428.

The product of its digits is 840, while the sum is 25.

The square root of 16227115 is about 4028.2893391612. The cubic root of 16227115 is about 253.1708917453.

Adding to 16227115 its reverse (51172261), we get a palindrome (67399376).

The spelling of 16227115 in words is "sixteen million, two hundred twenty-seven thousand, one hundred fifteen".