822648874223 has 4 divisors (see below), whose sum is σ = 897435135528. Its totient is φ = 747862612920.

The previous prime is 822648874193. The next prime is 822648874237. The reversal of 822648874223 is 322478846228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 822648874223 - 2²⁸ = 822380438767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822648874423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37393130636 + ... + 37393130657.

It is an arithmetic number, because the mean of its divisors is an integer number (224358783882).

Almost surely, 2^822648874223 is an apocalyptic number.

822648874223 is a deficient number, since it is larger than the sum of its proper divisors (74786261305).

822648874223 is a wasteful number, since it uses less digits than its factorization.

822648874223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74786261304.

The product of its digits is 16515072, while the sum is 56.

The spelling of 822648874223 in words is "eight hundred twenty-two billion, six hundred forty-eight million, eight hundred seventy-four thousand, two hundred twenty-three".