422871347 has 2 divisors, whose sum is σ = 422871348. Its totient is φ = 422871346.

The previous prime is 422871329. The next prime is 422871377. The reversal of 422871347 is 743178224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422871347 - 2⁶ = 422871283 is a prime.

It is a super-2 number, since 2×422871347² = 357640352227188818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422871347.

It is not a weakly prime, because it can be changed into another prime (422871377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211435673 + 211435674.

It is an arithmetic number, because the mean of its divisors is an integer number (211435674).

Almost surely, 2^422871347 is an apocalyptic number.

422871347 is a deficient number, since it is larger than the sum of its proper divisors (1).

422871347 is an equidigital number, since it uses as much as digits as its factorization.

422871347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 38.

The square root of 422871347 is about 20563.8359018934. The cubic root of 422871347 is about 750.5899636540.

It can be divided in two parts, 42287 and 1347, that added together give a palindrome (43634).

The spelling of 422871347 in words is "four hundred twenty-two million, eight hundred seventy-one thousand, three hundred forty-seven".