2223197813 has 2 divisors, whose sum is σ = 2223197814. Its totient is φ = 2223197812.

The previous prime is 2223197803. The next prime is 2223197827. The reversal of 2223197813 is 3187913222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1595043844 + 628153969 = 39938^2 + 25063^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223197813 - 2²⁴ = 2206420597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223197803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111598906 + 1111598907.

It is an arithmetic number, because the mean of its divisors is an integer number (1111598907).

Almost surely, 2^2223197813 is an apocalyptic number.

It is an amenable number.

2223197813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223197813 is an equidigital number, since it uses as much as digits as its factorization.

2223197813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 2223197813 is about 47150.7986464705. The cubic root of 2223197813 is about 1305.1468178892.

The spelling of 2223197813 in words is "two billion, two hundred twenty-three million, one hundred ninety-seven thousand, eight hundred thirteen".