822290268872 has 36 divisors (see below), whose sum is σ = 1637909812305. Its totient is φ = 386939607936.

The previous prime is 822290268871. The next prime is 822290268931. The reversal of 822290268872 is 278862092228.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

822290268872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 752580540196 + 69709728676 = 867514^2 + 264026^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=641206.

It is a super-2 number, since 2×822290268872² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (822290268871) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43592579 + ... + 43611437.

Almost surely, 2^822290268872 is an apocalyptic number.

It is an amenable number.

822290268872 is a deficient number, since it is larger than the sum of its proper divisors (815619543433).

822290268872 is an frugal number, since it uses more digits than its factorization.

822290268872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37758 (or 18878 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 822290268872 in words is "eight hundred twenty-two billion, two hundred ninety million, two hundred sixty-eight thousand, eight hundred seventy-two".