2127222 has 28 divisors (see below), whose sum is σ = 4787340. Its totient is φ = 708588.

The previous prime is 2127163. The next prime is 2127269. The reversal of 2127222 is 2227212.

It is a happy number.

2127222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 2127195 and 2127204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 729 + ... + 2187.

2^2127222 is an apocalyptic number.

It is a pronic number, being equal to 1458×1459.

It is a practical number, because each smaller number is the sum of distinct divisors of 2127222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2393670).

2127222 is an abundant number, since it is smaller than the sum of its proper divisors (2660118).

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

2127222 is an equidigital number, since it uses as much as digits as its factorization.

2127222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479 (or 1464 counting only the distinct ones).

The product of its digits is 224, while the sum is 18.

The square root of 2127222 is about 1458.4999142955. The cubic root of 2127222 is about 128.6088748071.

The spelling of 2127222 in words is "two million, one hundred twenty-seven thousand, two hundred twenty-two".