1224662441 has 2 divisors, whose sum is σ = 1224662442. Its totient is φ = 1224662440.

The previous prime is 1224662429. The next prime is 1224662443. The reversal of 1224662441 is 1442664221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885955225 + 338707216 = 29765^2 + 18404^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224662441 - 2⁶ = 1224662377 is a prime.

It is a Sophie Germain prime.

Together with 1224662443, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1224662398 and 1224662407.

It is not a weakly prime, because it can be changed into another prime (1224662443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612331220 + 612331221.

It is an arithmetic number, because the mean of its divisors is an integer number (612331221).

Almost surely, 2^1224662441 is an apocalyptic number.

It is an amenable number.

1224662441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224662441 is an equidigital number, since it uses as much as digits as its factorization.

1224662441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 32.

The square root of 1224662441 is about 34995.1773963213. The cubic root of 1224662441 is about 1069.8891902019.

The spelling of 1224662441 in words is "one billion, two hundred twenty-four million, six hundred sixty-two thousand, four hundred forty-one".