22946716818 has 24 divisors (see below), whose sum is σ = 49727012556. Its totient is φ = 7647501600.

The previous prime is 22946716817. The next prime is 22946716823. The reversal of 22946716818 is 81861764922.

It is a happy number.

22946716818 is a `hidden beast` number, since 2 + 2 + 9 + 467 + 168 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22898650329 + 48066489 = 151323^2 + 6933^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22946716817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13753 + ... + 214668.

Almost surely, 2^22946716818 is an apocalyptic number.

22946716818 is an abundant number, since it is smaller than the sum of its proper divisors (26780295738).

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

22946716818 is a wasteful number, since it uses less digits than its factorization.

22946716818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234010 (or 234007 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The spelling of 22946716818 in words is "twenty-two billion, nine hundred forty-six million, seven hundred sixteen thousand, eight hundred eighteen".