16225689 has 8 divisors (see below), whose sum is σ = 21737632. Its totient is φ = 10765440.

The previous prime is 16225687. The next prime is 16225691. The reversal of 16225689 is 98652261.

It is an interprime number because it is at equal distance from previous prime (16225687) and next prime (16225691).

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

It is not a de Polignac number, because 16225689 - 2¹ = 16225687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16225681) 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, 12184 + ... + 13449.

It is an arithmetic number, because the mean of its divisors is an integer number (2717204).

Almost surely, 2^16225689 is an apocalyptic number.

It is an amenable number.

16225689 is a deficient number, since it is larger than the sum of its proper divisors (5511943).

16225689 is a wasteful number, since it uses less digits than its factorization.

16225689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25847.

The product of its digits is 51840, while the sum is 39.

The square root of 16225689 is about 4028.1123370631. The cubic root of 16225689 is about 253.1634755109.

The spelling of 16225689 in words is "sixteen million, two hundred twenty-five thousand, six hundred eighty-nine".