16422497 has 32 divisors (see below), whose sum is σ = 21504000. Its totient is φ = 12446784.

The previous prime is 16422491. The next prime is 16422503. The reversal of 16422497 is 79422461.

It is an interprime number because it is at equal distance from previous prime (16422491) and next prime (16422503).

It is not a de Polignac number, because 16422497 - 2²⁰ = 15373921 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16422491) 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 in 31 ways as a sum of consecutive naturals, for example, 129248 + ... + 129374.

It is an arithmetic number, because the mean of its divisors is an integer number (672000).

Almost surely, 2^16422497 is an apocalyptic number.

It is an amenable number.

16422497 is a deficient number, since it is larger than the sum of its proper divisors (5081503).

16422497 is a wasteful number, since it uses less digits than its factorization.

16422497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 176 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 16422497 is about 4052.4680134456. The cubic root of 16422497 is about 254.1829390758.

The spelling of 16422497 in words is "sixteen million, four hundred twenty-two thousand, four hundred ninety-seven".