2223204334397 has 2 divisors, whose sum is σ = 2223204334398. Its totient is φ = 2223204334396.

The previous prime is 2223204334327. The next prime is 2223204334451. The reversal of 2223204334397 is 7934334023222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1366341236836 + 856863097561 = 1168906^2 + 925669^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223204334397 - 2¹⁶ = 2223204268861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223204334327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111602167198 + 1111602167199.

It is an arithmetic number, because the mean of its divisors is an integer number (1111602167199).

Almost surely, 2^{2223204334397} is an apocalyptic number.

It is an amenable number.

2223204334397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223204334397 is an equidigital number, since it uses as much as digits as its factorization.

2223204334397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 44.

The spelling of 2223204334397 in words is "two trillion, two hundred twenty-three billion, two hundred four million, three hundred thirty-four thousand, three hundred ninety-seven".