22747073143205 has 4 divisors (see below), whose sum is σ = 27296487771852. Its totient is φ = 18197658514560.

The previous prime is 22747073143187. The next prime is 22747073143211. The reversal of 22747073143205 is 50234137074722.

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 12671990931076 + 10075082212129 = 3559774^2 + 3174127^2 .

It is not a de Polignac number, because 22747073143205 - 2¹⁸ = 22747072881061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22747073143205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2274707314316 + ... + 2274707314325.

It is an arithmetic number, because the mean of its divisors is an integer number (6824121942963).

Almost surely, 2^{22747073143205} is an apocalyptic number.

It is an amenable number.

22747073143205 is a deficient number, since it is larger than the sum of its proper divisors (4549414628647).

22747073143205 is an equidigital number, since it uses as much as digits as its factorization.

22747073143205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549414628646.

The product of its (nonzero) digits is 1975680, while the sum is 47.

The spelling of 22747073143205 in words is "twenty-two trillion, seven hundred forty-seven billion, seventy-three million, one hundred forty-three thousand, two hundred five".