2227824 has 70 divisors (see below), whose sum is σ = 6505536. Its totient is φ = 738720.

The previous prime is 2227801. The next prime is 2227831. The reversal of 2227824 is 4287222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11569 + ... + 11759.

2^2227824 is an apocalyptic number.

2227824 is a gapful number since it is divisible by the number (24) 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 2227824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3252768).

2227824 is an abundant number, since it is smaller than the sum of its proper divisors (4277712).

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

2227824 is an equidigital number, since it uses as much as digits as its factorization.

2227824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 196 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 2227824 is about 1492.5896957972. The cubic root of 2227824 is about 130.6051471244.

The spelling of 2227824 in words is "two million, two hundred twenty-seven thousand, eight hundred twenty-four".