422791903 has 4 divisors (see below), whose sum is σ = 422913168. Its totient is φ = 422670640.

The previous prime is 422791891. The next prime is 422791913. The reversal of 422791903 is 309197224.

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 422791903 - 2¹⁷ = 422660831 is a prime.

It is a super-2 number, since 2×422791903² = 357505986484722818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422791913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55243 + ... + 62428.

It is an arithmetic number, because the mean of its divisors is an integer number (105728292).

Almost surely, 2^422791903 is an apocalyptic number.

422791903 is a deficient number, since it is larger than the sum of its proper divisors (121265).

422791903 is a wasteful number, since it uses less digits than its factorization.

422791903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121264.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 422791903 is about 20561.9041676592. The cubic root of 422791903 is about 750.5429567617.

The spelling of 422791903 in words is "four hundred twenty-two million, seven hundred ninety-one thousand, nine hundred three".