2227689 has 8 divisors (see below), whose sum is σ = 3300320. Its totient is φ = 1485108.

The previous prime is 2227669. The next prime is 2227717. The reversal of 2227689 is 9867222.

It is not a de Polignac number, because 2227689 - 2⁵ = 2227657 is a prime.

It is a Duffinian number.

2227689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2227609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41227 + ... + 41280.

It is an arithmetic number, because the mean of its divisors is an integer number (412540).

2^2227689 is an apocalyptic number.

It is an amenable number.

2227689 is a deficient number, since it is larger than the sum of its proper divisors (1072631).

2227689 is an equidigital number, since it uses as much as digits as its factorization.

2227689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82516 (or 82510 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2227689 is about 1492.5444716993. The cubic root of 2227689 is about 130.6025089670.

It can be divided in two parts, 2227 and 689, that added together give a square (2916 = 54²).

The spelling of 2227689 in words is "two million, two hundred twenty-seven thousand, six hundred eighty-nine".