16227432 has 64 divisors (see below), whose sum is σ = 48552000. Its totient is φ = 4992192.

The previous prime is 16227371. The next prime is 16227437. The reversal of 16227432 is 23472261.

16227432 is a `hidden beast` number, since 1 + 6 + 227 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16227396 and 16227405.

It is not an unprimeable number, because it can be changed into a prime (16227437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82 + ... + 5697.

It is an arithmetic number, because the mean of its divisors is an integer number (758625).

Almost surely, 2^16227432 is an apocalyptic number.

16227432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16227432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24276000).

16227432 is an abundant number, since it is smaller than the sum of its proper divisors (32324568).

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

16227432 is a wasteful number, since it uses less digits than its factorization.

16227432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807 (or 5797 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 16227432 is about 4028.3286856958. The cubic root of 16227432 is about 253.1725403163.

Adding to 16227432 its reverse (23472261), we get a palindrome (39699693).

The spelling of 16227432 in words is "sixteen million, two hundred twenty-seven thousand, four hundred thirty-two".