16226473 has 2 divisors, whose sum is σ = 16226474. Its totient is φ = 16226472.

The previous prime is 16226471. The next prime is 16226479. The reversal of 16226473 is 37462261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16064064 + 162409 = 4008^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 16226473 - 2¹ = 16226471 is a prime.

Together with 16226471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16226471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8113236 + 8113237.

It is an arithmetic number, because the mean of its divisors is an integer number (8113237).

Almost surely, 2^16226473 is an apocalyptic number.

It is an amenable number.

16226473 is a deficient number, since it is larger than the sum of its proper divisors (1).

16226473 is an equidigital number, since it uses as much as digits as its factorization.

16226473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 16226473 is about 4028.2096519422. The cubic root of 16226473 is about 253.1675529334.

The spelling of 16226473 in words is "sixteen million, two hundred twenty-six thousand, four hundred seventy-three".