16228260 has 72 divisors (see below), whose sum is σ = 49827960. Its totient is φ = 4274688.

The previous prime is 16228253. The next prime is 16228297. The reversal of 16228260 is 6282261.

It can be written as a sum of positive squares in 4 ways, for example, as 736164 + 15492096 = 858^2 + 3936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15514 + ... + 16526.

It is an arithmetic number, because the mean of its divisors is an integer number (692055).

Almost surely, 2^16228260 is an apocalyptic number.

16228260 is a gapful number since it is divisible by the number (10) 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 16228260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24913980).

16228260 is an abundant number, since it is smaller than the sum of its proper divisors (33599700).

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

16228260 is a wasteful number, since it uses less digits than its factorization.

16228260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 16228260 is about 4028.4314565349. The cubic root of 16228260 is about 253.1768462615.

The spelling of 16228260 in words is "sixteen million, two hundred twenty-eight thousand, two hundred sixty".