2222220000397 has 2 divisors, whose sum is σ = 2222220000398. Its totient is φ = 2222220000396.

The previous prime is 2222220000389. The next prime is 2222220000443. The reversal of 2222220000397 is 7930000222222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2097822004996 + 124397995401 = 1448386^2 + 352701^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222220000397 - 2³ = 2222220000389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222220060397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111110000198 + 1111110000199.

It is an arithmetic number, because the mean of its divisors is an integer number (1111110000199).

Almost surely, 2^{2222220000397} is an apocalyptic number.

It is an amenable number.

2222220000397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222220000397 is an equidigital number, since it uses as much as digits as its factorization.

2222220000397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 2222220000397 in words is "two trillion, two hundred twenty-two billion, two hundred twenty million, three hundred ninety-seven", and thus it is an aban number.