1222531241 has 8 divisors (see below), whose sum is σ = 1264350720. Its totient is φ = 1181370528.

The previous prime is 1222531229. The next prime is 1222531249. The reversal of 1222531241 is 1421352221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222531241 - 2¹⁰ = 1222530217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222531249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160916 + ... + 168341.

It is an arithmetic number, because the mean of its divisors is an integer number (158043840).

Almost surely, 2^1222531241 is an apocalyptic number.

It is an amenable number.

1222531241 is a deficient number, since it is larger than the sum of its proper divisors (41819479).

1222531241 is an equidigital number, since it uses as much as digits as its factorization.

1222531241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329383.

The product of its digits is 960, while the sum is 23.

The square root of 1222531241 is about 34964.7142273464. The cubic root of 1222531241 is about 1069.2682104363.

Adding to 1222531241 its reverse (1421352221), we get a palindrome (2643883462).

The spelling of 1222531241 in words is "one billion, two hundred twenty-two million, five hundred thirty-one thousand, two hundred forty-one".