1094220817 has 2 divisors, whose sum is σ = 1094220818. Its totient is φ = 1094220816.

The previous prime is 1094220767. The next prime is 1094220889. The reversal of 1094220817 is 7180224901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094220241 + 576 = 33079^2 + 24^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1094220817 is a prime.

It is a super-2 number, since 2×1094220817² = 2394638392712294978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1094220217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547110408 + 547110409.

It is an arithmetic number, because the mean of its divisors is an integer number (547110409).

Almost surely, 2^1094220817 is an apocalyptic number.

It is an amenable number.

1094220817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1094220817 is an equidigital number, since it uses as much as digits as its factorization.

1094220817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1094220817 is about 33079.0087064289. The cubic root of 1094220817 is about 1030.4691415487.

The spelling of 1094220817 in words is "one billion, ninety-four million, two hundred twenty thousand, eight hundred seventeen".