2222624 has 12 divisors (see below), whose sum is σ = 4375854. Its totient is φ = 1111296.

The previous prime is 2222621. The next prime is 2222629. The reversal of 2222624 is 4262222.

It can be written as a sum of positive squares in only one way, i.e., 2155024 + 67600 = 1468^2 + 260^2 .

It is a d-powerful number, because it can be written as 2⁴ + 2⁸ + 2¹¹ + 2¹⁴ + 6⁸ + 2¹⁹ + 4² .

It is a junction number, because it is equal to n+sod(n) for n = 2222596 and 2222605.

It is not an unprimeable number, because it can be changed into a prime (2222621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34697 + ... + 34760.

2^2222624 is an apocalyptic number.

It is an amenable number.

2222624 is a deficient number, since it is larger than the sum of its proper divisors (2153230).

2222624 is an equidigital number, since it uses as much as digits as its factorization.

2222624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69467 (or 69459 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 2222624 is about 1490.8467392727. The cubic root of 2222624 is about 130.5034520991.

Adding to 2222624 its reverse (4262222), we get a palindrome (6484846).

The spelling of 2222624 in words is "two million, two hundred twenty-two thousand, six hundred twenty-four".