16422293 has 2 divisors, whose sum is σ = 16422294. Its totient is φ = 16422292.

The previous prime is 16422269. The next prime is 16422313. The reversal of 16422293 is 39222461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8254129 + 8168164 = 2873^2 + 2858^2 .

It is an emirp because it is prime and its reverse (39222461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16422293 - 2⁸ = 16422037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16422233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8211146 + 8211147.

It is an arithmetic number, because the mean of its divisors is an integer number (8211147).

Almost surely, 2^16422293 is an apocalyptic number.

It is an amenable number.

16422293 is a deficient number, since it is larger than the sum of its proper divisors (1).

16422293 is an equidigital number, since it uses as much as digits as its factorization.

16422293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 16422293 is about 4052.4428435204. The cubic root of 16422293 is about 254.1818865860.

The spelling of 16422293 in words is "sixteen million, four hundred twenty-two thousand, two hundred ninety-three".