40422238117 has 2 divisors, whose sum is σ = 40422238118. Its totient is φ = 40422238116.

The previous prime is 40422238069. The next prime is 40422238141. The reversal of 40422238117 is 71183222404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38103430401 + 2318807716 = 195201^2 + 48154^2 .

It is a cyclic number.

It is not a de Polignac number, because 40422238117 - 2³⁵ = 6062499749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40422236117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211119058 + 20211119059.

It is an arithmetic number, because the mean of its divisors is an integer number (20211119059).

Almost surely, 2^40422238117 is an apocalyptic number.

It is an amenable number.

40422238117 is a deficient number, since it is larger than the sum of its proper divisors (1).

40422238117 is an equidigital number, since it uses as much as digits as its factorization.

40422238117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 40422238117 in words is "forty billion, four hundred twenty-two million, two hundred thirty-eight thousand, one hundred seventeen".