16226393 has 2 divisors, whose sum is σ = 16226394. Its totient is φ = 16226392.

The previous prime is 16226369. The next prime is 16226401. The reversal of 16226393 is 39362261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14462809 + 1763584 = 3803^2 + 1328^2 .

It is a cyclic number.

It is not a de Polignac number, because 16226393 - 2⁸ = 16226137 is a prime.

It is not a weakly prime, because it can be changed into another prime (16226333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8113196 + 8113197.

It is an arithmetic number, because the mean of its divisors is an integer number (8113197).

Almost surely, 2^16226393 is an apocalyptic number.

It is an amenable number.

16226393 is a deficient number, since it is larger than the sum of its proper divisors (1).

16226393 is an equidigital number, since it uses as much as digits as its factorization.

16226393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 16226393 is about 4028.1997219602. The cubic root of 16226393 is about 253.1671368759.

The spelling of 16226393 in words is "sixteen million, two hundred twenty-six thousand, three hundred ninety-three".