422018134639 has 2 divisors, whose sum is σ = 422018134640. Its totient is φ = 422018134638.

The previous prime is 422018134607. The next prime is 422018134663. The reversal of 422018134639 is 936431810224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422018134639 - 2⁵ = 422018134607 is a prime.

It is a super-2 number, since 2×422018134639² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422018134595 and 422018134604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422018134339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211009067319 + 211009067320.

It is an arithmetic number, because the mean of its divisors is an integer number (211009067320).

Almost surely, 2^422018134639 is an apocalyptic number.

422018134639 is a deficient number, since it is larger than the sum of its proper divisors (1).

422018134639 is an equidigital number, since it uses as much as digits as its factorization.

422018134639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 422018134639 in words is "four hundred twenty-two billion, eighteen million, one hundred thirty-four thousand, six hundred thirty-nine".