22946304672 has 120 divisors (see below), whose sum is σ = 68243382900. Its totient is φ = 7562750976.

The previous prime is 22946304631. The next prime is 22946304673. The reversal of 22946304672 is 27640364922.

22946304672 is a `hidden beast` number, since 2 + 2 + 9 + 4 + 630 + 4 + 6 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20725633296 + 2220671376 = 143964^2 + 47124^2 .

It is not an unprimeable number, because it can be changed into a prime (22946304673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 180954 + ... + 280422.

Almost surely, 2^22946304672 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 22946304672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34121691450).

22946304672 is an abundant number, since it is smaller than the sum of its proper divisors (45297078228).

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

22946304672 is an equidigital number, since it uses as much as digits as its factorization.

22946304672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99580 (or 99563 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 22946304672 in words is "twenty-two billion, nine hundred forty-six million, three hundred four thousand, six hundred seventy-two".