2227320 has 96 divisors (see below), whose sum is σ = 7581600. Its totient is φ = 566016.

The previous prime is 2227307. The next prime is 2227321. The reversal of 2227320 is 237222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2227293 and 2227302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8146 + ... + 8414.

It is an arithmetic number, because the mean of its divisors is an integer number (78975).

2^2227320 is an apocalyptic number.

2227320 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 2227320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3790800).

2227320 is an abundant number, since it is smaller than the sum of its proper divisors (5354280).

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

2227320 is a wasteful number, since it uses less digits than its factorization.

2227320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 2227320 is about 1492.4208521727. The cubic root of 2227320 is about 130.5952974596.

The spelling of 2227320 in words is "two million, two hundred twenty-seven thousand, three hundred twenty".