16225771 has 4 divisors (see below), whose sum is σ = 16233832. Its totient is φ = 16217712.

The previous prime is 16225757. The next prime is 16225777. The reversal of 16225771 is 17752261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16225771 - 2⁵ = 16225739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16225777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1831 + ... + 5983.

It is an arithmetic number, because the mean of its divisors is an integer number (4058458).

Almost surely, 2^16225771 is an apocalyptic number.

16225771 is a deficient number, since it is larger than the sum of its proper divisors (8061).

16225771 is an equidigital number, since it uses as much as digits as its factorization.

16225771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060.

The product of its digits is 5880, while the sum is 31.

The square root of 16225771 is about 4028.1225155151. The cubic root of 16225771 is about 253.1639019822.

The spelling of 16225771 in words is "sixteen million, two hundred twenty-five thousand, seven hundred seventy-one".