16220713 has 2 divisors, whose sum is σ = 16220714. Its totient is φ = 16220712.

The previous prime is 16220683. The next prime is 16220759. The reversal of 16220713 is 31702261.

16220713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14379264 + 1841449 = 3792^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 16220713 - 2¹⁷ = 16089641 is a prime.

It is a super-2 number, since 2×16220713² = 526223060456738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16220513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8110356 + 8110357.

It is an arithmetic number, because the mean of its divisors is an integer number (8110357).

Almost surely, 2^16220713 is an apocalyptic number.

It is an amenable number.

16220713 is a deficient number, since it is larger than the sum of its proper divisors (1).

16220713 is an equidigital number, since it uses as much as digits as its factorization.

16220713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 16220713 is about 4027.4946306606. The cubic root of 16220713 is about 253.1375932971.

Adding to 16220713 its reverse (31702261), we get a palindrome (47922974).

The spelling of 16220713 in words is "sixteen million, two hundred twenty thousand, seven hundred thirteen".