16464229 has 2 divisors, whose sum is σ = 16464230. Its totient is φ = 16464228.

The previous prime is 16464187. The next prime is 16464263. The reversal of 16464229 is 92246461.

It is an a-pointer prime, because the next prime (16464263) can be obtained adding 16464229 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15000129 + 1464100 = 3873^2 + 1210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16464229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16464194 and 16464203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16464269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232114 + 8232115.

It is an arithmetic number, because the mean of its divisors is an integer number (8232115).

Almost surely, 2^16464229 is an apocalyptic number.

It is an amenable number.

16464229 is a deficient number, since it is larger than the sum of its proper divisors (1).

16464229 is an equidigital number, since it uses as much as digits as its factorization.

16464229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 16464229 is about 4057.6137075873. The cubic root of 16464229 is about 254.3980624712.

The spelling of 16464229 in words is "sixteen million, four hundred sixty-four thousand, two hundred twenty-nine".