422687838371 has 2 divisors, whose sum is σ = 422687838372. Its totient is φ = 422687838370.

The previous prime is 422687838317. The next prime is 422687838373. The reversal of 422687838371 is 173838786224.

Together with previous prime (422687838317) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422687838371 - 2²⁶ = 422620729507 is a prime.

Together with 422687838373, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422687838371.

It is not a weakly prime, because it can be changed into another prime (422687838373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211343919185 + 211343919186.

It is an arithmetic number, because the mean of its divisors is an integer number (211343919186).

Almost surely, 2^422687838371 is an apocalyptic number.

422687838371 is a deficient number, since it is larger than the sum of its proper divisors (1).

422687838371 is an equidigital number, since it uses as much as digits as its factorization.

422687838371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21676032, while the sum is 59.

The spelling of 422687838371 in words is "four hundred twenty-two billion, six hundred eighty-seven million, eight hundred thirty-eight thousand, three hundred seventy-one".