422431117 has 2 divisors, whose sum is σ = 422431118. Its totient is φ = 422431116.

The previous prime is 422431069. The next prime is 422431127. The reversal of 422431117 is 711134224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421932681 + 498436 = 20541^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 422431117 - 2¹⁹ = 421906829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422431091 and 422431100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422431127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211215558 + 211215559.

It is an arithmetic number, because the mean of its divisors is an integer number (211215559).

Almost surely, 2^422431117 is an apocalyptic number.

It is an amenable number.

422431117 is a deficient number, since it is larger than the sum of its proper divisors (1).

422431117 is an equidigital number, since it uses as much as digits as its factorization.

422431117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 422431117 is about 20553.1291291618. The cubic root of 422431117 is about 750.3294061158.

The spelling of 422431117 in words is "four hundred twenty-two million, four hundred thirty-one thousand, one hundred seventeen".