16422973 has 24 divisors (see below), whose sum is σ = 20311872. Its totient is φ = 13001472.

The previous prime is 16422971. The next prime is 16422979. The reversal of 16422973 is 37922461.

It is not a de Polignac number, because 16422973 - 2¹ = 16422971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169261 + ... + 169357.

It is an arithmetic number, because the mean of its divisors is an integer number (846328).

Almost surely, 2^16422973 is an apocalyptic number.

It is an amenable number.

16422973 is a deficient number, since it is larger than the sum of its proper divisors (3888899).

16422973 is an equidigital number, since it uses as much as digits as its factorization.

16422973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 190 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 16422973 is about 4052.5267426631. The cubic root of 16422973 is about 254.1853948516.

The spelling of 16422973 in words is "sixteen million, four hundred twenty-two thousand, nine hundred seventy-three".