16223704 has 24 divisors (see below), whose sum is σ = 35386740. Its totient is φ = 6952848.

The previous prime is 16223693. The next prime is 16223707. The reversal of 16223704 is 40732261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16223707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20302 + ... + 21085.

Almost surely, 2^16223704 is an apocalyptic number.

16223704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16223704 is an abundant number, since it is smaller than the sum of its proper divisors (19163036).

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

16223704 is a wasteful number, since it uses less digits than its factorization.

16223704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41407 (or 41396 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 16223704 is about 4027.8659362000. The cubic root of 16223704 is about 253.1531513475.

Adding to 16223704 its reverse (40732261), we get a palindrome (56955965).

The spelling of 16223704 in words is "sixteen million, two hundred twenty-three thousand, seven hundred four".