1222970117 has 2 divisors, whose sum is σ = 1222970118. Its totient is φ = 1222970116.

The previous prime is 1222970087. The next prime is 1222970129. The reversal of 1222970117 is 7110792221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1205547841 + 17422276 = 34721^2 + 4174^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222970117 - 2⁸ = 1222969861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222970197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611485058 + 611485059.

It is an arithmetic number, because the mean of its divisors is an integer number (611485059).

Almost surely, 2^1222970117 is an apocalyptic number.

It is an amenable number.

1222970117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222970117 is an equidigital number, since it uses as much as digits as its factorization.

1222970117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 1222970117 is about 34970.9896485644. The cubic root of 1222970117 is about 1069.3961471836.

The spelling of 1222970117 in words is "one billion, two hundred twenty-two million, nine hundred seventy thousand, one hundred seventeen".