1224400243433 has 8 divisors (see below), whose sum is σ = 1242693313152. Its totient is φ = 1206107716176.

The previous prime is 1224400243379. The next prime is 1224400243447. The reversal of 1224400243433 is 3343420044221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1224400243433 - 2¹⁴ = 1224400227049 is a prime.

It is a super-2 number, since 2×1224400243433² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224400243433.

It is not an unprimeable number, because it can be changed into a prime (1224400243483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8315216 + ... + 8461182.

It is an arithmetic number, because the mean of its divisors is an integer number (155336664144).

Almost surely, 2^{1224400243433} is an apocalyptic number.

It is an amenable number.

1224400243433 is a deficient number, since it is larger than the sum of its proper divisors (18293069719).

1224400243433 is a wasteful number, since it uses less digits than its factorization.

1224400243433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271231.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1224400243433 its reverse (3343420044221), we get a palindrome (4567820287654).

The spelling of 1224400243433 in words is "one trillion, two hundred twenty-four billion, four hundred million, two hundred forty-three thousand, four hundred thirty-three".