2223121193 has 2 divisors, whose sum is σ = 2223121194. Its totient is φ = 2223121192.

The previous prime is 2223121183. The next prime is 2223121213. The reversal of 2223121193 is 3911213222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1610657689 + 612463504 = 40133^2 + 24748^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223121193 - 2¹⁰ = 2223120169 is a prime.

It is not a weakly prime, because it can be changed into another prime (2223121183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111560596 + 1111560597.

It is an arithmetic number, because the mean of its divisors is an integer number (1111560597).

Almost surely, 2^2223121193 is an apocalyptic number.

It is an amenable number.

2223121193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223121193 is an equidigital number, since it uses as much as digits as its factorization.

2223121193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 2223121193 is about 47149.9861399768. The cubic root of 2223121193 is about 1305.1318242469.

The spelling of 2223121193 in words is "two billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred ninety-three".