16013228 has 24 divisors (see below), whose sum is σ = 34938624. Its totient is φ = 6238800.

The previous prime is 16013227. The next prime is 16013237. The reversal of 16013228 is 82231061.

It is not an unprimeable number, because it can be changed into a prime (16013227) 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, 25688 + ... + 26303.

It is an arithmetic number, because the mean of its divisors is an integer number (1455776).

Almost surely, 2^16013228 is an apocalyptic number.

It is an amenable number.

16013228 is an abundant number, since it is smaller than the sum of its proper divisors (18925396).

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

16013228 is a wasteful number, since it uses less digits than its factorization.

16013228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52013 (or 52011 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 16013228 is about 4001.6531583834. The cubic root of 16013228 is about 252.0536334991.

Adding to 16013228 its reverse (82231061), we get a palindrome (98244289).

The spelling of 16013228 in words is "sixteen million, thirteen thousand, two hundred twenty-eight".