1225808883 has 72 divisors (see below), whose sum is σ = 2094281280. Its totient is φ = 714186720.

The previous prime is 1225808863. The next prime is 1225808887. The reversal of 1225808883 is 3888085221.

It is not a de Polignac number, because 1225808883 - 2²⁴ = 1209031667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1225808887) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 779488 + ... + 781058.

It is an arithmetic number, because the mean of its divisors is an integer number (29087240).

Almost surely, 2^1225808883 is an apocalyptic number.

1225808883 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1225808883 is a deficient number, since it is larger than the sum of its proper divisors (868472397).

1225808883 is a wasteful number, since it uses less digits than its factorization.

1225808883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 1225808883 is about 35011.5535645021. The cubic root of 1225808883 is about 1070.2229375050. Note that the first 3 decimals are identical.

The spelling of 1225808883 in words is "one billion, two hundred twenty-five million, eight hundred eight thousand, eight hundred eighty-three".