822570630 has 64 divisors (see below), whose sum is σ = 2264329728. Its totient is φ = 187338240.

The previous prime is 822570599. The next prime is 822570649. The reversal of 822570630 is 36075228.

It is a junction number, because it is equal to n+sod(n) for n = 822570591 and 822570600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52510 + ... + 66350.

It is an arithmetic number, because the mean of its divisors is an integer number (35380152).

Almost surely, 2^822570630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 822570630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132164864).

822570630 is an abundant number, since it is smaller than the sum of its proper divisors (1441759098).

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

822570630 is a wasteful number, since it uses less digits than its factorization.

822570630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14141.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 822570630 is about 28680.4921505890. The cubic root of 822570630 is about 936.9672251072.

The spelling of 822570630 in words is "eight hundred twenty-two million, five hundred seventy thousand, six hundred thirty".