1224243441 has 6 divisors (see below), whose sum is σ = 1768351650. Its totient is φ = 816162288.

The previous prime is 1224243437. The next prime is 1224243481. The reversal of 1224243441 is 1443424221.

1224243441 is a `hidden beast` number, since 1 + 224 + 2 + 434 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 965966400 + 258277041 = 31080^2 + 16071^2 .

It is not a de Polignac number, because 1224243441 - 2² = 1224243437 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1224243481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68013516 + ... + 68013533.

It is an arithmetic number, because the mean of its divisors is an integer number (294725275).

Almost surely, 2^1224243441 is an apocalyptic number.

It is an amenable number.

1224243441 is a deficient number, since it is larger than the sum of its proper divisors (544108209).

1224243441 is a wasteful number, since it uses less digits than its factorization.

1224243441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136027055 (or 136027052 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1224243441 is about 34989.1903450194. The cubic root of 1224243441 is about 1069.7671607376.

Adding to 1224243441 its reverse (1443424221), we get a palindrome (2667667662).

The spelling of 1224243441 in words is "one billion, two hundred twenty-four million, two hundred forty-three thousand, four hundred forty-one".