16422125 has 16 divisors (see below), whose sum is σ = 20766720. Its totient is φ = 12963600.

The previous prime is 16422121. The next prime is 16422139. The reversal of 16422125 is 52122461.

It is a happy number.

It is not a de Polignac number, because 16422125 - 2² = 16422121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16422125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9044 + ... + 10706.

It is an arithmetic number, because the mean of its divisors is an integer number (1297920).

Almost surely, 2^16422125 is an apocalyptic number.

It is an amenable number.

16422125 is a deficient number, since it is larger than the sum of its proper divisors (4344595).

16422125 is an equidigital number, since it uses as much as digits as its factorization.

16422125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757 (or 1747 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 16422125 is about 4052.4221152294. The cubic root of 16422125 is about 254.1810198231.

Adding to 16422125 its reverse (52122461), we get a palindrome (68544586).

The spelling of 16422125 in words is "sixteen million, four hundred twenty-two thousand, one hundred twenty-five".