422281351 has 2 divisors, whose sum is σ = 422281352. Its totient is φ = 422281350.

The previous prime is 422281331. The next prime is 422281373. The reversal of 422281351 is 153182224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422281351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422281331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211140675 + 211140676.

It is an arithmetic number, because the mean of its divisors is an integer number (211140676).

Almost surely, 2^422281351 is an apocalyptic number.

422281351 is a deficient number, since it is larger than the sum of its proper divisors (1).

422281351 is an equidigital number, since it uses as much as digits as its factorization.

422281351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 28.

The square root of 422281351 is about 20549.4854193481. The cubic root of 422281351 is about 750.2407233207.

The spelling of 422281351 in words is "four hundred twenty-two million, two hundred eighty-one thousand, three hundred fifty-one".