422000903 has 2 divisors, whose sum is σ = 422000904. Its totient is φ = 422000902.

The previous prime is 422000899. The next prime is 422000933. The reversal of 422000903 is 309000224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422000903 - 2² = 422000899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422000933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211000451 + 211000452.

It is an arithmetic number, because the mean of its divisors is an integer number (211000452).

Almost surely, 2^422000903 is an apocalyptic number.

422000903 is a deficient number, since it is larger than the sum of its proper divisors (1).

422000903 is an equidigital number, since it uses as much as digits as its factorization.

422000903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 422000903 is about 20542.6605628385. The cubic root of 422000903 is about 750.0746017644.

The spelling of 422000903 in words is "four hundred twenty-two million, nine hundred three", and thus it is an aban number.