16225332 has 12 divisors (see below), whose sum is σ = 37859136. Its totient is φ = 5408440.

The previous prime is 16225309. The next prime is 16225333. The reversal of 16225332 is 23352261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16225332² = 526522797020448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676044 + ... + 676067.

It is an arithmetic number, because the mean of its divisors is an integer number (3154928).

Almost surely, 2^16225332 is an apocalyptic number.

16225332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16225332 is an abundant number, since it is smaller than the sum of its proper divisors (21633804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16225332 is a wasteful number, since it uses less digits than its factorization.

16225332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352118 (or 1352116 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 16225332 is about 4028.0680232588. The cubic root of 16225332 is about 253.1616187839.

Adding to 16225332 its reverse (23352261), we get a palindrome (39577593).

The spelling of 16225332 in words is "sixteen million, two hundred twenty-five thousand, three hundred thirty-two".