1224468499 has 4 divisors (see below), whose sum is σ = 1226555064. Its totient is φ = 1222381936.

The previous prime is 1224468481. The next prime is 1224468521. The reversal of 1224468499 is 9948644221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9948644221 = 1301 ⋅7646921.

It is a cyclic number.

It is not a de Polignac number, because 1224468499 - 2⁵ = 1224468467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224468409) 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, 1042402 + ... + 1043575.

It is an arithmetic number, because the mean of its divisors is an integer number (306638766).

Almost surely, 2^1224468499 is an apocalyptic number.

1224468499 is a deficient number, since it is larger than the sum of its proper divisors (2086565).

1224468499 is an equidigital number, since it uses as much as digits as its factorization.

1224468499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086564.

The product of its digits is 995328, while the sum is 49.

The square root of 1224468499 is about 34992.4063047970. The cubic root of 1224468499 is about 1069.8327100387.

The spelling of 1224468499 in words is "one billion, two hundred twenty-four million, four hundred sixty-eight thousand, four hundred ninety-nine".