42225430 has 16 divisors (see below), whose sum is σ = 81852624. Its totient is φ = 15590880.

The previous prime is 42225413. The next prime is 42225457. The reversal of 42225430 is 3452224.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 162276 + ... + 162535.

It is an arithmetic number, because the mean of its divisors is an integer number (5115789).

Almost surely, 2^42225430 is an apocalyptic number.

42225430 is a deficient number, since it is larger than the sum of its proper divisors (39627194).

42225430 is a wasteful number, since it uses less digits than its factorization.

42225430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324831.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 42225430 is about 6498.1097251432. The cubic root of 42225430 is about 348.2234604339.

Adding to 42225430 its reverse (3452224), we get a palindrome (45677654).

It can be divided in two parts, 422 and 25430, that added together give a palindrome (25852).

The spelling of 42225430 in words is "forty-two million, two hundred twenty-five thousand, four hundred thirty".