16422533 has 2 divisors, whose sum is σ = 16422534. Its totient is φ = 16422532.

The previous prime is 16422521. The next prime is 16422559. The reversal of 16422533 is 33522461.

It is an a-pointer prime, because the next prime (16422559) can be obtained adding 16422533 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11957764 + 4464769 = 3458^2 + 2113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16422533 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16422503) 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, 8211266 + 8211267.

It is an arithmetic number, because the mean of its divisors is an integer number (8211267).

Almost surely, 2^16422533 is an apocalyptic number.

It is an amenable number.

16422533 is a deficient number, since it is larger than the sum of its proper divisors (1).

16422533 is an equidigital number, since it uses as much as digits as its factorization.

16422533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 16422533 is about 4052.4724551809. The cubic root of 16422533 is about 254.1831248084.

Adding to 16422533 its reverse (33522461), we get a palindrome (49944994).

The spelling of 16422533 in words is "sixteen million, four hundred twenty-two thousand, five hundred thirty-three".