822538752 has 160 divisors (see below), whose sum is σ = 2530230912. Its totient is φ = 232587264.

The previous prime is 822538751. The next prime is 822538771. The reversal of 822538752 is 257835228.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (822538751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1214638 + ... + 1215314.

Almost surely, 2^822538752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 822538752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265115456).

822538752 is an abundant number, since it is smaller than the sum of its proper divisors (1707692160).

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

822538752 is a wasteful number, since it uses less digits than its factorization.

822538752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 802 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 822538752 is about 28679.9364016031. The cubic root of 822538752 is about 936.9551211711.

The spelling of 822538752 in words is "eight hundred twenty-two million, five hundred thirty-eight thousand, seven hundred fifty-two".