4220003 has 4 divisors (see below), whose sum is σ = 4247040.
Its totient is φ = 4192968.
The previous prime is 4219991. The next prime is 4220039. The reversal of 4220003 is 3000224.
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 4220003 - 24 = 4219987 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4220053) 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, 13283 + ... + 13596.
It is an arithmetic number, because the mean of its divisors is an integer number (1061760).
Almost surely, 24220003 is an apocalyptic number.
4220003 is a deficient number, since it is larger than the sum of its proper divisors (27037).
4220003 is a wasteful number, since it uses less digits than its factorization.
4220003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27036.
The product of its (nonzero) digits is 48, while the sum is 11.
The square root of 4220003 is about 2054.2645886059.
The cubic root of 4220003 is about 161.5985972454.
Adding to 4220003 its reverse (3000224), we get a palindrome (7220227).
The spelling of 4220003 in words is "four million, two hundred twenty thousand, three".