811226532 has 12 divisors (see below), whose sum is σ = 1892861936. Its totient is φ = 270408840.

The previous prime is 811226509. The next prime is 811226543. The reversal of 811226532 is 235622118.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 811226532.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33801094 + ... + 33801117.

Almost surely, 2^811226532 is an apocalyptic number.

It is an amenable number.

811226532 is an abundant number, since it is smaller than the sum of its proper divisors (1081635404).

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

811226532 is a wasteful number, since it uses less digits than its factorization.

811226532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67602218 (or 67602216 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 811226532 is about 28482.0387612966. The cubic root of 811226532 is about 932.6400231529.

The spelling of 811226532 in words is "eight hundred eleven million, two hundred twenty-six thousand, five hundred thirty-two".