1284226476 has 48 divisors (see below), whose sum is σ = 3302095104. Its totient is φ = 385955136.

The previous prime is 1284226469. The next prime is 1284226501. The reversal of 1284226476 is 6746224821.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89016 + ... + 102431.

It is an arithmetic number, because the mean of its divisors is an integer number (68793648).

Almost surely, 2^1284226476 is an apocalyptic number.

It is an amenable number.

1284226476 is an abundant number, since it is smaller than the sum of its proper divisors (2017868628).

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

1284226476 is a wasteful number, since it uses less digits than its factorization.

1284226476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191510 (or 191508 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 1284226476 is about 35836.1057594153. The cubic root of 1284226476 is about 1086.9607775716.

The spelling of 1284226476 in words is "one billion, two hundred eighty-four million, two hundred twenty-six thousand, four hundred seventy-six".