422042003 has 4 divisors (see below), whose sum is σ = 444254760. Its totient is φ = 399829248.

The previous prime is 422041979. The next prime is 422042011. The reversal of 422042003 is 300240224.

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 422042003 - 2¹⁴ = 422025619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422044003) 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, 11106350 + ... + 11106387.

It is an arithmetic number, because the mean of its divisors is an integer number (111063690).

Almost surely, 2^422042003 is an apocalyptic number.

422042003 is a deficient number, since it is larger than the sum of its proper divisors (22212757).

422042003 is a wasteful number, since it uses less digits than its factorization.

422042003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22212756.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 422042003 is about 20543.6608957605. The cubic root of 422042003 is about 750.0989516849.

Adding to 422042003 its reverse (300240224), we get a palindrome (722282227).

The spelling of 422042003 in words is "four hundred twenty-two million, forty-two thousand, three".