822158272551 has 64 divisors (see below), whose sum is σ = 1440588902400. Its totient is φ = 404067398400.

The previous prime is 822158272543. The next prime is 822158272571. The reversal of 822158272551 is 155272851228.

It is not a de Polignac number, because 822158272551 - 2³ = 822158272543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 822158272551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822158272571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3116731 + ... + 3370211.

It is an arithmetic number, because the mean of its divisors is an integer number (22509201600).

Almost surely, 2^822158272551 is an apocalyptic number.

822158272551 is a deficient number, since it is larger than the sum of its proper divisors (618430629849).

822158272551 is a wasteful number, since it uses less digits than its factorization.

822158272551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254260.

The product of its digits is 896000, while the sum is 48.

The spelling of 822158272551 in words is "eight hundred twenty-two billion, one hundred fifty-eight million, two hundred seventy-two thousand, five hundred fifty-one".