822047616 has 384 divisors, whose sum is σ = 2806876800. Its totient is φ = 237385728.

The previous prime is 822047587. The next prime is 822047617. The reversal of 822047616 is 616740228.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822047617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7682635 + ... + 7682741.

It is an arithmetic number, because the mean of its divisors is an integer number (7309575).

Almost surely, 2^822047616 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 822047616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403438400).

822047616 is an abundant number, since it is smaller than the sum of its proper divisors (1984829184).

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

822047616 is a wasteful number, since it uses less digits than its factorization.

822047616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 822047616 is about 28671.3727609963. The cubic root of 822047616 is about 936.7685994585.

The spelling of 822047616 in words is "eight hundred twenty-two million, forty-seven thousand, six hundred sixteen".