22747472813 has 8 divisors (see below), whose sum is σ = 24749829048. Its totient is φ = 20781195264.

The previous prime is 22747472789. The next prime is 22747472819. The reversal of 22747472813 is 31827474722.

It can be written as a sum of positive squares in 4 ways, for example, as 1505284804 + 21242188009 = 38798^2 + 145747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22747472813 - 2¹⁴ = 22747456429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22747472819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9018356 + ... + 9020877.

It is an arithmetic number, because the mean of its divisors is an integer number (3093728631).

Almost surely, 2^22747472813 is an apocalyptic number.

It is an amenable number.

22747472813 is a deficient number, since it is larger than the sum of its proper divisors (2002356235).

22747472813 is a wasteful number, since it uses less digits than its factorization.

22747472813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039343.

The product of its digits is 1053696, while the sum is 47.

The spelling of 22747472813 in words is "twenty-two billion, seven hundred forty-seven million, four hundred seventy-two thousand, eight hundred thirteen".