1234622243 has 2 divisors, whose sum is σ = 1234622244. Its totient is φ = 1234622242.

The previous prime is 1234622237. The next prime is 1234622269. The reversal of 1234622243 is 3422264321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1234622243 - 2⁸ = 1234621987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234622143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617311121 + 617311122.

It is an arithmetic number, because the mean of its divisors is an integer number (617311122).

Almost surely, 2^1234622243 is an apocalyptic number.

1234622243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234622243 is an equidigital number, since it uses as much as digits as its factorization.

1234622243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

The square root of 1234622243 is about 35137.1917346848. The cubic root of 1234622243 is about 1072.7817225835.

Adding to 1234622243 its reverse (3422264321), we get a palindrome (4656886564).

The spelling of 1234622243 in words is "one billion, two hundred thirty-four million, six hundred twenty-two thousand, two hundred forty-three".