1222524213 has 8 divisors (see below), whose sum is σ = 1725916608. Its totient is φ = 767073984.

The previous prime is 1222524197. The next prime is 1222524217. The reversal of 1222524213 is 3124252221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222524213 - 2⁴ = 1222524197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222524217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11985481 + ... + 11985582.

It is an arithmetic number, because the mean of its divisors is an integer number (215739576).

Almost surely, 2^1222524213 is an apocalyptic number.

It is an amenable number.

1222524213 is a deficient number, since it is larger than the sum of its proper divisors (503392395).

1222524213 is a wasteful number, since it uses less digits than its factorization.

1222524213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23971083.

The product of its digits is 1920, while the sum is 24.

The square root of 1222524213 is about 34964.6137258801. The cubic root of 1222524213 is about 1069.2661614549.

Adding to 1222524213 its reverse (3124252221), we get a palindrome (4346776434).

The spelling of 1222524213 in words is "one billion, two hundred twenty-two million, five hundred twenty-four thousand, two hundred thirteen".