2530222 has 4 divisors (see below), whose sum is σ = 3795336. Its totient is φ = 1265110.

The previous prime is 2530201. The next prime is 2530223. The reversal of 2530222 is 2220352.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2530196 and 2530205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632554 + ... + 632557.

It is an arithmetic number, because the mean of its divisors is an integer number (948834).

2^2530222 is an apocalyptic number.

2530222 is a deficient number, since it is larger than the sum of its proper divisors (1265114).

2530222 is a wasteful number, since it uses less digits than its factorization.

2530222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265113.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2530222 is about 1590.6671556300. The cubic root of 2530222 is about 136.2655925819.

Adding to 2530222 its reverse (2220352), we get a palindrome (4750574).

The spelling of 2530222 in words is "two million, five hundred thirty thousand, two hundred twenty-two".