1226843867 has 8 divisors (see below), whose sum is σ = 1254629952. Its totient is φ = 1199128000.

The previous prime is 1226843843. The next prime is 1226843909. The reversal of 1226843867 is 7683486221.

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 1226843867 - 2¹⁸ = 1226581723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226843837) 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 7 ways as a sum of consecutive naturals, for example, 18617 + ... + 52917.

It is an arithmetic number, because the mean of its divisors is an integer number (156828744).

Almost surely, 2^1226843867 is an apocalyptic number.

1226843867 is a deficient number, since it is larger than the sum of its proper divisors (27786085).

1226843867 is an equidigital number, since it uses as much as digits as its factorization.

1226843867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35109.

The product of its digits is 774144, while the sum is 47.

The square root of 1226843867 is about 35026.3310525096. The cubic root of 1226843867 is about 1070.5240589480.

The spelling of 1226843867 in words is "one billion, two hundred twenty-six million, eight hundred forty-three thousand, eight hundred sixty-seven".