422687838227 has 2 divisors, whose sum is σ = 422687838228. Its totient is φ = 422687838226.

The previous prime is 422687838197. The next prime is 422687838253. The reversal of 422687838227 is 722838786224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422687838227 - 2¹⁰ = 422687837203 is a prime.

It is not a weakly prime, because it can be changed into another prime (422687838127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211343919113 + 211343919114.

It is an arithmetic number, because the mean of its divisors is an integer number (211343919114).

Almost surely, 2^422687838227 is an apocalyptic number.

422687838227 is a deficient number, since it is larger than the sum of its proper divisors (1).

422687838227 is an equidigital number, since it uses as much as digits as its factorization.

422687838227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28901376, while the sum is 59.

The spelling of 422687838227 in words is "four hundred twenty-two billion, six hundred eighty-seven million, eight hundred thirty-eight thousand, two hundred twenty-seven".