16345229 has 2 divisors, whose sum is σ = 16345230. Its totient is φ = 16345228.

The previous prime is 16345171. The next prime is 16345261. The reversal of 16345229 is 92254361.

It is a happy number.

It is an a-pointer prime, because the next prime (16345261) can be obtained adding 16345229 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16240900 + 104329 = 4030^2 + 323^2 .

It is an emirp because it is prime and its reverse (92254361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16345229 - 2¹² = 16341133 is a prime.

It is a super-3 number, since 3×16345229³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 16345195 and 16345204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16345129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8172614 + 8172615.

It is an arithmetic number, because the mean of its divisors is an integer number (8172615).

Almost surely, 2^16345229 is an apocalyptic number.

It is an amenable number.

16345229 is a deficient number, since it is larger than the sum of its proper divisors (1).

16345229 is an equidigital number, since it uses as much as digits as its factorization.

16345229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 16345229 is about 4042.9233235371. The cubic root of 16345229 is about 253.7836678697.

The spelling of 16345229 in words is "sixteen million, three hundred forty-five thousand, two hundred twenty-nine".