2222244 has 18 divisors (see below), whose sum is σ = 5617430. Its totient is φ = 740736.

The previous prime is 2222243. The next prime is 2222249. The reversal of 2222244 is 4422222.

2222244 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2214144 + 8100 = 1488^2 + 90^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

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

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2222243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30829 + ... + 30900.

2^2222244 is an apocalyptic number.

It is an amenable number.

2222244 is an abundant number, since it is smaller than the sum of its proper divisors (3395186).

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

2222244 is a wasteful number, since it uses less digits than its factorization.

2222244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61739 (or 61734 counting only the distinct ones).

The product of its digits is 512, while the sum is 18.

The square root of 2222244 is about 1490.7192894707. The cubic root of 2222244 is about 130.4960143232.

Adding to 2222244 its reverse (4422222), we get a palindrome (6644466).

The spelling of 2222244 in words is "two million, two hundred twenty-two thousand, two hundred forty-four".