422284903 has 2 divisors, whose sum is σ = 422284904. Its totient is φ = 422284902.

The previous prime is 422284847. The next prime is 422284943. The reversal of 422284903 is 309482224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422284903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422284943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211142451 + 211142452.

It is an arithmetic number, because the mean of its divisors is an integer number (211142452).

Almost surely, 2^422284903 is an apocalyptic number.

422284903 is a deficient number, since it is larger than the sum of its proper divisors (1).

422284903 is an equidigital number, since it uses as much as digits as its factorization.

422284903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 422284903 is about 20549.5718446882. The cubic root of 422284903 is about 750.2428268532.

The spelling of 422284903 in words is "four hundred twenty-two million, two hundred eighty-four thousand, nine hundred three".