2227764 has 48 divisors (see below), whose sum is σ = 6483456. Its totient is φ = 578400.

The previous prime is 2227763. The next prime is 2227777. The reversal of 2227764 is 4677222.

2227764 is nontrivially palindromic in base 13.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282 + ... + 2129.

It is an arithmetic number, because the mean of its divisors is an integer number (135072).

2^2227764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2227764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3241728).

2227764 is an abundant number, since it is smaller than the sum of its proper divisors (4255692).

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

2227764 is a wasteful number, since it uses less digits than its factorization.

2227764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436 (or 2434 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 2227764 is about 1492.5695963673. The cubic root of 2227764 is about 130.6039746232.

The spelling of 2227764 in words is "two million, two hundred twenty-seven thousand, seven hundred sixty-four".