1224557913468 has 24 divisors (see below), whose sum is σ = 2874831261568. Its totient is φ = 405681762096.

The previous prime is 1224557913457. The next prime is 1224557913493. The reversal of 1224557913468 is 8643197554221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313024096 + ... + 313028007.

Almost surely, 2^{1224557913468} is an apocalyptic number.

It is an amenable number.

1224557913468 is an abundant number, since it is smaller than the sum of its proper divisors (1650273348100).

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

1224557913468 is a wasteful number, since it uses less digits than its factorization.

1224557913468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626052273 (or 626052271 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 57.

The spelling of 1224557913468 in words is "one trillion, two hundred twenty-four billion, five hundred fifty-seven million, nine hundred thirteen thousand, four hundred sixty-eight".