2222224 has 10 divisors (see below), whose sum is σ = 4305590. Its totient is φ = 1111104.

The previous prime is 2222219. The next prime is 2222239. The reversal of 2222224 is 4222222.

2222224 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., 1140624 + 1081600 = 1068^2 + 1040^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 138889 = 2222224 / (2 + 2 + 2 + 2 + 2 + 2 + 4).

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 junction number, because it is equal to n+sod(n) for n = 2222198 and 2222207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69429 + ... + 69460.

It is an arithmetic number, because the mean of its divisors is an integer number (430559).

2^2222224 is an apocalyptic number.

It is an amenable number.

2222224 is a deficient number, since it is larger than the sum of its proper divisors (2083366).

2222224 is a wasteful number, since it uses less digits than its factorization.

2222224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138897 (or 138891 counting only the distinct ones).

The product of its digits is 256, while the sum is 16.

The square root of 2222224 is about 1490.7125812845. The cubic root of 2222224 is about 130.4956228378.

Adding to 2222224 its reverse (4222222), we get a palindrome (6444446).

It can be divided in two parts, 222222 and 4, that multiplied together give a palindrome (888888).

The spelling of 2222224 in words is "two million, two hundred twenty-two thousand, two hundred twenty-four".