16225337 has 4 divisors (see below), whose sum is σ = 16296420. Its totient is φ = 16154256.

The previous prime is 16225333. The next prime is 16225399. The reversal of 16225337 is 73352261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14714896 + 1510441 = 3836^2 + 1229^2 .

It is a cyclic number.

It is not a de Polignac number, because 16225337 - 2² = 16225333 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16225333) 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, 35198 + ... + 35655.

It is an arithmetic number, because the mean of its divisors is an integer number (4074105).

Almost surely, 2^16225337 is an apocalyptic number.

It is an amenable number.

16225337 is a deficient number, since it is larger than the sum of its proper divisors (71083).

16225337 is an equidigital number, since it uses as much as digits as its factorization.

16225337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71082.

The product of its digits is 7560, while the sum is 29.

The square root of 16225337 is about 4028.0686439037. The cubic root of 16225337 is about 253.1616447887.

Adding to 16225337 its reverse (73352261), we get a palindrome (89577598).

The spelling of 16225337 in words is "sixteen million, two hundred twenty-five thousand, three hundred thirty-seven".