2214666397 has 2 divisors, whose sum is σ = 2214666398. Its totient is φ = 2214666396.

The previous prime is 2214666371. The next prime is 2214666407. The reversal of 2214666397 is 7936664122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1463139001 + 751527396 = 38251^2 + 27414^2 .

It is a cyclic number.

It is not a de Polignac number, because 2214666397 - 2⁷ = 2214666269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2214666497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107333198 + 1107333199.

It is an arithmetic number, because the mean of its divisors is an integer number (1107333199).

Almost surely, 2^2214666397 is an apocalyptic number.

It is an amenable number.

2214666397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214666397 is an equidigital number, since it uses as much as digits as its factorization.

2214666397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 46.

The square root of 2214666397 is about 47060.2422114464. The cubic root of 2214666397 is about 1303.4751981698.

The spelling of 2214666397 in words is "two billion, two hundred fourteen million, six hundred sixty-six thousand, three hundred ninety-seven".