422247283 has 2 divisors, whose sum is σ = 422247284. Its totient is φ = 422247282.

The previous prime is 422247277. The next prime is 422247347. The reversal of 422247283 is 382742224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422247283 - 2¹³ = 422239091 is a prime.

It is not a weakly prime, because it can be changed into another prime (422247253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211123641 + 211123642.

It is an arithmetic number, because the mean of its divisors is an integer number (211123642).

Almost surely, 2^422247283 is an apocalyptic number.

422247283 is a deficient number, since it is larger than the sum of its proper divisors (1).

422247283 is an equidigital number, since it uses as much as digits as its factorization.

422247283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 34.

The square root of 422247283 is about 20548.6564767627. The cubic root of 422247283 is about 750.2205472870.

The spelling of 422247283 in words is "four hundred twenty-two million, two hundred forty-seven thousand, two hundred eighty-three".