2228760 has 96 divisors (see below), whose sum is σ = 7469280. Its totient is φ = 576000.

The previous prime is 2228753. The next prime is 2228771. The reversal of 2228760 is 678222.

It is a super-2 number, since 2×2228760² = 9934742275200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14685 + ... + 14835.

It is an arithmetic number, because the mean of its divisors is an integer number (77805).

2^2228760 is an apocalyptic number.

2228760 is a gapful number since it is divisible by the number (20) 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 2228760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3734640).

2228760 is an abundant number, since it is smaller than the sum of its proper divisors (5240520).

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

2228760 is a wasteful number, since it uses less digits than its factorization.

2228760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2228760 is about 1492.9032118661. The cubic root of 2228760 is about 130.6234354185.

It can be divided in two parts, 22 and 28760, that added together give a palindrome (28782).

The spelling of 2228760 in words is "two million, two hundred twenty-eight thousand, seven hundred sixty".