420222003 has 4 divisors (see below), whose sum is σ = 560296008. Its totient is φ = 280148000.

The previous prime is 420221999. The next prime is 420222007. The reversal of 420222003 is 300222024.

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

It is an interprime number because it is at equal distance from previous prime (420221999) and next prime (420222007).

It is a cyclic number.

It is not a de Polignac number, because 420222003 - 2² = 420221999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420222007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70036998 + ... + 70037003.

It is an arithmetic number, because the mean of its divisors is an integer number (140074002).

Almost surely, 2^420222003 is an apocalyptic number.

420222003 is a deficient number, since it is larger than the sum of its proper divisors (140074005).

420222003 is a wasteful number, since it uses less digits than its factorization.

420222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140074004.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 420222003 is about 20499.3171349682. The cubic root of 420222003 is about 749.0191640625.

Adding to 420222003 its reverse (300222024), we get a palindrome (720444027).

The spelling of 420222003 in words is "four hundred twenty million, two hundred twenty-two thousand, three".