822642023 has 8 divisors (see below), whose sum is σ = 940682400. Its totient is φ = 704731680.

The previous prime is 822642011. The next prime is 822642047. The reversal of 822642023 is 320246228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 822642023 - 2⁶ = 822641959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822642083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18548 + ... + 44601.

It is an arithmetic number, because the mean of its divisors is an integer number (117585300).

Almost surely, 2^822642023 is an apocalyptic number.

822642023 is a deficient number, since it is larger than the sum of its proper divisors (118040377).

822642023 is a wasteful number, since it uses less digits than its factorization.

822642023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65017.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 822642023 is about 28681.7367500645. The cubic root of 822642023 is about 936.9943315803.

The spelling of 822642023 in words is "eight hundred twenty-two million, six hundred forty-two thousand, twenty-three".