16226013 has 4 divisors (see below), whose sum is σ = 21634688. Its totient is φ = 10817340.

The previous prime is 16225999. The next prime is 16226027. The reversal of 16226013 is 31062261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (16225999) and next prime (16226027).

It is not a de Polignac number, because 16226013 - 2⁸ = 16225757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16226083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704333 + ... + 2704338.

It is an arithmetic number, because the mean of its divisors is an integer number (5408672).

Almost surely, 2^16226013 is an apocalyptic number.

It is an amenable number.

16226013 is a deficient number, since it is larger than the sum of its proper divisors (5408675).

16226013 is an equidigital number, since it uses as much as digits as its factorization.

16226013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408674.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 16226013 is about 4028.1525542114. The cubic root of 16226013 is about 253.1651605841.

Adding to 16226013 its reverse (31062261), we get a palindrome (47288274).

The spelling of 16226013 in words is "sixteen million, two hundred twenty-six thousand, thirteen".