1226468489 has 16 divisors (see below), whose sum is σ = 1296335040. Its totient is φ = 1158857280.

The previous prime is 1226468479. The next prime is 1226468497. The reversal of 1226468489 is 9848646221.

It is a cyclic number.

It is not a de Polignac number, because 1226468489 - 2⁴ = 1226468473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1226468479) by changing a digit.

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, 285842 + ... + 290100.

It is an arithmetic number, because the mean of its divisors is an integer number (81020940).

Almost surely, 2^1226468489 is an apocalyptic number.

It is an amenable number.

1226468489 is a deficient number, since it is larger than the sum of its proper divisors (69866551).

1226468489 is a wasteful number, since it uses less digits than its factorization.

1226468489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520.

The product of its digits is 1327104, while the sum is 50.

The square root of 1226468489 is about 35020.9721309960. The cubic root of 1226468489 is about 1070.4148648925.

The spelling of 1226468489 in words is "one billion, two hundred twenty-six million, four hundred sixty-eight thousand, four hundred eighty-nine".