1222204241 has 4 divisors (see below), whose sum is σ = 1286530800. Its totient is φ = 1157877684.

The previous prime is 1222204231. The next prime is 1222204253. The reversal of 1222204241 is 1424022221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222204241 - 2³⁰ = 148462417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222204201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32163251 + ... + 32163288.

It is an arithmetic number, because the mean of its divisors is an integer number (321632700).

Almost surely, 2^1222204241 is an apocalyptic number.

It is an amenable number.

1222204241 is a deficient number, since it is larger than the sum of its proper divisors (64326559).

1222204241 is an equidigital number, since it uses as much as digits as its factorization.

1222204241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64326558.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1222204241 is about 34960.0377717187. The cubic root of 1222204241 is about 1069.1728667558.

Adding to 1222204241 its reverse (1424022221), we get a palindrome (2646226462).

The spelling of 1222204241 in words is "one billion, two hundred twenty-two million, two hundred four thousand, two hundred forty-one".