8231428222533 has 144 divisors (see below), whose sum is σ = 13088210046912. Its totient is φ = 4980837888000.

The previous prime is 8231428222421. The next prime is 8231428222541. The reversal of 8231428222533 is 3352228241328.

8231428222533 is a `hidden beast` number, since 8 + 2 + 3 + 14 + 2 + 82 + 22 + 533 = 666.

It is not a de Polignac number, because 8231428222533 - 2¹² = 8231428218437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8231428222583) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4093200498 + ... + 4093202508.

It is an arithmetic number, because the mean of its divisors is an integer number (90890347548).

Almost surely, 2^{8231428222533} is an apocalyptic number.

It is an amenable number.

8231428222533 is a deficient number, since it is larger than the sum of its proper divisors (4856781824379).

8231428222533 is a wasteful number, since it uses less digits than its factorization.

8231428222533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2496 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The spelling of 8231428222533 in words is "eight trillion, two hundred thirty-one billion, four hundred twenty-eight million, two hundred twenty-two thousand, five hundred thirty-three".