16225488 has 120 divisors (see below), whose sum is σ = 49371840. Its totient is φ = 5100480.

The previous prime is 16225483. The next prime is 16225507. The reversal of 16225488 is 88452261.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225483) 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 23 ways as a sum of consecutive naturals, for example, 228493 + ... + 228563.

It is an arithmetic number, because the mean of its divisors is an integer number (411432).

Almost surely, 2^16225488 is an apocalyptic number.

16225488 is a gapful number since it is divisible by the number (18) 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 16225488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24685920).

16225488 is an abundant number, since it is smaller than the sum of its proper divisors (33146352).

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

16225488 is a wasteful number, since it uses less digits than its factorization.

16225488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 99 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 16225488 is about 4028.0873873341. The cubic root of 16225488 is about 253.1624301301.

The spelling of 16225488 in words is "sixteen million, two hundred twenty-five thousand, four hundred eighty-eight".