1222315441 has 2 divisors, whose sum is σ = 1222315442. Its totient is φ = 1222315440.

The previous prime is 1222315439. The next prime is 1222315477. The reversal of 1222315441 is 1445132221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1028549041 + 193766400 = 32071^2 + 13920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222315441 - 2¹ = 1222315439 is a prime.

It is a super-3 number, since 3×1222315441³ (a number of 28 digits) contains 333 as substring.

Together with 1222315439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1222315421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611157720 + 611157721.

It is an arithmetic number, because the mean of its divisors is an integer number (611157721).

Almost surely, 2^1222315441 is an apocalyptic number.

It is an amenable number.

1222315441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222315441 is an equidigital number, since it uses as much as digits as its factorization.

1222315441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 25.

The square root of 1222315441 is about 34961.6281228435. The cubic root of 1222315441 is about 1069.2052913467.

Adding to 1222315441 its reverse (1445132221), we get a palindrome (2667447662).

The spelling of 1222315441 in words is "one billion, two hundred twenty-two million, three hundred fifteen thousand, four hundred forty-one".