8422003 has 4 divisors (see below), whose sum is σ = 8496648. Its totient is φ = 8347360.

The previous prime is 8421991. The next prime is 8422019. The reversal of 8422003 is 3002248.

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 8422003 - 2⁵ = 8421971 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 4⁴ + 2⁷ + 2²³ + 0 + 0 + 3⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8422033) 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, 37153 + ... + 37378.

It is an arithmetic number, because the mean of its divisors is an integer number (2124162).

Almost surely, 2^8422003 is an apocalyptic number.

8422003 is a deficient number, since it is larger than the sum of its proper divisors (74645).

8422003 is a wasteful number, since it uses less digits than its factorization.

8422003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74644.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 8422003 is about 2902.0687448784. The cubic root of 8422003 is about 203.4566068456.

The spelling of 8422003 in words is "eight million, four hundred twenty-two thousand, three".