16422565 has 8 divisors (see below), whose sum is σ = 19768608. Its totient is φ = 13097040.

The previous prime is 16422559. The next prime is 16422569. The reversal of 16422565 is 56522461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16422565 - 2⁵ = 16422533 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3307 + ... + 6616.

It is an arithmetic number, because the mean of its divisors is an integer number (2471076).

Almost surely, 2^16422565 is an apocalyptic number.

It is an amenable number.

16422565 is a deficient number, since it is larger than the sum of its proper divisors (3346043).

16422565 is an equidigital number, since it uses as much as digits as its factorization.

16422565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10259.

The product of its digits is 14400, while the sum is 31.

The square root of 16422565 is about 4052.4764033860. The cubic root of 16422565 is about 254.1832899038.

The spelling of 16422565 in words is "sixteen million, four hundred twenty-two thousand, five hundred sixty-five".