1224250422243 has 4 divisors (see below), whose sum is σ = 1632333896328. Its totient is φ = 816166948160.

The previous prime is 1224250422191. The next prime is 1224250422259. The reversal of 1224250422243 is 3422240524221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1224250422243 - 2⁶ = 1224250422179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224250412243) 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, 204041737038 + ... + 204041737043.

It is an arithmetic number, because the mean of its divisors is an integer number (408083474082).

Almost surely, 2^{1224250422243} is an apocalyptic number.

1224250422243 is a deficient number, since it is larger than the sum of its proper divisors (408083474085).

1224250422243 is an equidigital number, since it uses as much as digits as its factorization.

1224250422243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408083474084.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 1224250422243 its reverse (3422240524221), we get a palindrome (4646490946464).

The spelling of 1224250422243 in words is "one trillion, two hundred twenty-four billion, two hundred fifty million, four hundred twenty-two thousand, two hundred forty-three".