16225567 has 4 divisors (see below), whose sum is σ = 16250776. Its totient is φ = 16200360.

The previous prime is 16225543. The next prime is 16225571. The reversal of 16225567 is 76552261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16225567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11613 + ... + 12934.

It is an arithmetic number, because the mean of its divisors is an integer number (4062694).

Almost surely, 2^16225567 is an apocalyptic number.

16225567 is a deficient number, since it is larger than the sum of its proper divisors (25209).

16225567 is an equidigital number, since it uses as much as digits as its factorization.

16225567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25208.

The product of its digits is 25200, while the sum is 34.

The square root of 16225567 is about 4028.0971934649. The cubic root of 16225567 is about 253.1628410022.

The spelling of 16225567 in words is "sixteen million, two hundred twenty-five thousand, five hundred sixty-seven".