42430224 has 20 divisors (see below), whose sum is σ = 109611536. Its totient is φ = 14143392.

The previous prime is 42430139. The next prime is 42430253. The reversal of 42430224 is 42203424.

It is a self number, because there is not a number n which added to its sum of digits gives 42430224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441934 + ... + 442029.

Almost surely, 2^42430224 is an apocalyptic number.

It is an amenable number.

42430224 is an abundant number, since it is smaller than the sum of its proper divisors (67181312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42430224 is a wasteful number, since it uses less digits than its factorization.

42430224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883974 (or 883968 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 42430224 is about 6513.8486319533. The cubic root of 42430224 is about 348.7855158394.

Adding to 42430224 its reverse (42203424), we get a palindrome (84633648).

The spelling of 42430224 in words is "forty-two million, four hundred thirty thousand, two hundred twenty-four".