1226982843 has 8 divisors (see below), whose sum is σ = 1817752400. Its totient is φ = 817988544.

The previous prime is 1226982839. The next prime is 1226982877. The reversal of 1226982843 is 3482896221.

It is not a de Polignac number, because 1226982843 - 2² = 1226982839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226982833) 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, 22721878 + ... + 22721931.

It is an arithmetic number, because the mean of its divisors is an integer number (227219050).

Almost surely, 2^1226982843 is an apocalyptic number.

1226982843 is a deficient number, since it is larger than the sum of its proper divisors (590769557).

1226982843 is an equidigital number, since it uses as much as digits as its factorization.

1226982843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45443818 (or 45443812 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 1226982843 is about 35028.3148752548. The cubic root of 1226982843 is about 1070.5644801562.

The spelling of 1226982843 in words is "one billion, two hundred twenty-six million, nine hundred eighty-two thousand, eight hundred forty-three".