2223711708161 has 4 divisors (see below), whose sum is σ = 2224410771924. Its totient is φ = 2223012644400.

The previous prime is 2223711708121. The next prime is 2223711708167. The reversal of 2223711708161 is 1618071173222.

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 1194826072561 + 1028885635600 = 1093081^2 + 1014340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2223711708161 is a prime.

It is a super-2 number, since 2×2223711708161² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223711708167) 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 3 ways as a sum of consecutive naturals, for example, 349527110 + ... + 349533471.

It is an arithmetic number, because the mean of its divisors is an integer number (556102692981).

Almost surely, 2^{2223711708161} is an apocalyptic number.

It is an amenable number.

2223711708161 is a deficient number, since it is larger than the sum of its proper divisors (699063763).

2223711708161 is an equidigital number, since it uses as much as digits as its factorization.

2223711708161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699063762.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 2223711708161 in words is "two trillion, two hundred twenty-three billion, seven hundred eleven million, seven hundred eight thousand, one hundred sixty-one".