1224022243 has 2 divisors, whose sum is σ = 1224022244. Its totient is φ = 1224022242.

The previous prime is 1224022213. The next prime is 1224022277. The reversal of 1224022243 is 3422204221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224022243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224022213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612011121 + 612011122.

It is an arithmetic number, because the mean of its divisors is an integer number (612011122).

Almost surely, 2^1224022243 is an apocalyptic number.

1224022243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224022243 is an equidigital number, since it uses as much as digits as its factorization.

1224022243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1224022243 is about 34986.0292545467. The cubic root of 1224022243 is about 1069.7027278529.

Adding to 1224022243 its reverse (3422204221), we get a palindrome (4646226464).

The spelling of 1224022243 in words is "one billion, two hundred twenty-four million, twenty-two thousand, two hundred forty-three".