16223332 has 6 divisors (see below), whose sum is σ = 28390838. Its totient is φ = 8111664.

The previous prime is 16223329. The next prime is 16223351. The reversal of 16223332 is 23332261.

It can be written as a sum of positive squares in only one way, i.e., 12559936 + 3663396 = 3544^2 + 1914^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2027913 + ... + 2027920.

Almost surely, 2^16223332 is an apocalyptic number.

It is an amenable number.

16223332 is a deficient number, since it is larger than the sum of its proper divisors (12167506).

16223332 is a wasteful number, since it uses less digits than its factorization.

16223332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055837 (or 4055835 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 16223332 is about 4027.8197576356. The cubic root of 16223332 is about 253.1512164484.

Adding to 16223332 its reverse (23332261), we get a palindrome (39555593).

The spelling of 16223332 in words is "sixteen million, two hundred twenty-three thousand, three hundred thirty-two".