16425223 has 4 divisors (see below), whose sum is σ = 16991640. Its totient is φ = 15858808.

The previous prime is 16425221. The next prime is 16425229. The reversal of 16425223 is 32252461.

16425223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 16425223 - 2¹ = 16425221 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 (16425221) 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, 283165 + ... + 283222.

It is an arithmetic number, because the mean of its divisors is an integer number (4247910).

Almost surely, 2^16425223 is an apocalyptic number.

16425223 is a deficient number, since it is larger than the sum of its proper divisors (566417).

16425223 is an equidigital number, since it uses as much as digits as its factorization.

16425223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566416.

The product of its digits is 2880, while the sum is 25.

The square root of 16425223 is about 4052.8043377395. The cubic root of 16425223 is about 254.1970023931.

Adding to 16425223 its reverse (32252461), we get a palindrome (48677684).

The spelling of 16425223 in words is "sixteen million, four hundred twenty-five thousand, two hundred twenty-three".