422381903 has 4 divisors (see below), whose sum is σ = 431368800. Its totient is φ = 413395008.

The previous prime is 422381879. The next prime is 422381923. The reversal of 422381903 is 309183224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422381903 - 2¹⁴ = 422365519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422381903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422381923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4493378 + ... + 4493471.

It is an arithmetic number, because the mean of its divisors is an integer number (107842200).

Almost surely, 2^422381903 is an apocalyptic number.

422381903 is a deficient number, since it is larger than the sum of its proper divisors (8986897).

422381903 is an equidigital number, since it uses as much as digits as its factorization.

422381903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8986896.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 422381903 is about 20551.9318556675. The cubic root of 422381903 is about 750.3002667334.

The spelling of 422381903 in words is "four hundred twenty-two million, three hundred eighty-one thousand, nine hundred three".