22164803867813 has 2 divisors, whose sum is σ = 22164803867814. Its totient is φ = 22164803867812.

The previous prime is 22164803867809. The next prime is 22164803867849. The reversal of 22164803867813 is 31876830846122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21986139567844 + 178664299969 = 4688938^2 + 422687^2 .

It is a cyclic number.

It is not a de Polignac number, because 22164803867813 - 2² = 22164803867809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22164803867803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11082401933906 + 11082401933907.

It is an arithmetic number, because the mean of its divisors is an integer number (11082401933907).

Almost surely, 2^{22164803867813} is an apocalyptic number.

It is an amenable number.

22164803867813 is a deficient number, since it is larger than the sum of its proper divisors (1).

22164803867813 is an equidigital number, since it uses as much as digits as its factorization.

22164803867813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 22164803867813 in words is "twenty-two trillion, one hundred sixty-four billion, eight hundred three million, eight hundred sixty-seven thousand, eight hundred thirteen".