16226688 has 32 divisors (see below), whose sum is σ = 43103160. Its totient is φ = 5408768.

The previous prime is 16226681. The next prime is 16226701. The reversal of 16226688 is 88662261.

16226688 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16226681) 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, 20745 + ... + 21512.

Almost surely, 2^16226688 is an apocalyptic number.

It is an amenable number.

16226688 is an abundant number, since it is smaller than the sum of its proper divisors (26876472).

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

16226688 is an equidigital number, since it uses as much as digits as its factorization.

16226688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42274 (or 42262 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 16226688 is about 4028.2363386475. The cubic root of 16226688 is about 253.1686710812.

The spelling of 16226688 in words is "sixteen million, two hundred twenty-six thousand, six hundred eighty-eight".