22147814813 has 4 divisors (see below), whose sum is σ = 22159641468. Its totient is φ = 22135988160.

The previous prime is 22147814803. The next prime is 22147814831. The reversal of 22147814813 is 31841874122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5491847449 + 16655967364 = 74107^2 + 129058^2 .

It is a cyclic number.

It is not a de Polignac number, because 22147814813 - 2¹⁰ = 22147813789 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 (22147814803) 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 3 ways as a sum of consecutive naturals, for example, 5910518 + ... + 5914263.

It is an arithmetic number, because the mean of its divisors is an integer number (5539910367).

Almost surely, 2^22147814813 is an apocalyptic number.

It is an amenable number.

22147814813 is a deficient number, since it is larger than the sum of its proper divisors (11826655).

22147814813 is a wasteful number, since it uses less digits than its factorization.

22147814813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11826654.

The product of its digits is 86016, while the sum is 41.

The spelling of 22147814813 in words is "twenty-two billion, one hundred forty-seven million, eight hundred fourteen thousand, eight hundred thirteen".