1244243226 has 32 divisors (see below), whose sum is σ = 2658210048. Its totient is φ = 386892800.

The previous prime is 1244243197. The next prime is 1244243239. The reversal of 1244243226 is 6223424421.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1244243193 and 1244243202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42450 + ... + 65501.

It is an arithmetic number, because the mean of its divisors is an integer number (83069064).

Almost surely, 2^1244243226 is an apocalyptic number.

1244243226 is an abundant number, since it is smaller than the sum of its proper divisors (1413966822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244243226 is a wasteful number, since it uses less digits than its factorization.

1244243226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108086.

The product of its digits is 18432, while the sum is 30.

The square root of 1244243226 is about 35273.8320288567. The cubic root of 1244243226 is about 1075.5611207243.

Adding to 1244243226 its reverse (6223424421), we get a palindrome (7467667647).

The spelling of 1244243226 in words is "one billion, two hundred forty-four million, two hundred forty-three thousand, two hundred twenty-six".