2522224 has 10 divisors (see below), whose sum is σ = 4886840. Its totient is φ = 1261104.

The previous prime is 2522213. The next prime is 2522227. The reversal of 2522224 is 4222252.

2522224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2522224² = 12723227812352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522227) by changing a digit.

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 as a sum of consecutive naturals, namely, 78804 + ... + 78835.

It is an arithmetic number, because the mean of its divisors is an integer number (488684).

2^2522224 is an apocalyptic number.

It is an amenable number.

2522224 is a deficient number, since it is larger than the sum of its proper divisors (2364616).

2522224 is a wasteful number, since it uses less digits than its factorization.

2522224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157647 (or 157641 counting only the distinct ones).

The product of its digits is 640, while the sum is 19.

The square root of 2522224 is about 1588.1511263101. The cubic root of 2522224 is about 136.1218630900.

Adding to 2522224 its reverse (4222252), we get a palindrome (6744476).

The spelling of 2522224 in words is "two million, five hundred twenty-two thousand, two hundred twenty-four".