42204430 has 16 divisors (see below), whose sum is σ = 77402304. Its totient is φ = 16563040.

The previous prime is 42204427. The next prime is 42204433. The reversal of 42204430 is 3440224.

It is an interprime number because it is at equal distance from previous prime (42204427) and next prime (42204433).

It is a junction number, because it is equal to n+sod(n) for n = 42204398 and 42204407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39286 + ... + 40345.

It is an arithmetic number, because the mean of its divisors is an integer number (4837644).

Almost surely, 2^42204430 is an apocalyptic number.

42204430 is a deficient number, since it is larger than the sum of its proper divisors (35197874).

42204430 is a wasteful number, since it uses less digits than its factorization.

42204430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79691.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 42204430 is about 6496.4936696652. The cubic root of 42204430 is about 348.1657234629.

Adding to 42204430 its reverse (3440224), we get a palindrome (45644654).

The spelling of 42204430 in words is "forty-two million, two hundred four thousand, four hundred thirty".