42422430 has 16 divisors (see below), whose sum is σ = 101813904. Its totient is φ = 11312640.

The previous prime is 42422423. The next prime is 42422431. The reversal of 42422430 is 3422424.

It is a junction number, because it is equal to n+sod(n) for n = 42422397 and 42422406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42422431) 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, 707011 + ... + 707070.

It is an arithmetic number, because the mean of its divisors is an integer number (6363369).

Almost surely, 2^42422430 is an apocalyptic number.

42422430 is an abundant number, since it is smaller than the sum of its proper divisors (59391474).

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

42422430 is a wasteful number, since it uses less digits than its factorization.

42422430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414091.

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

The square root of 42422430 is about 6513.2503406517. The cubic root of 42422430 is about 348.7641584160.

Adding to 42422430 its reverse (3422424), we get a palindrome (45844854).

The spelling of 42422430 in words is "forty-two million, four hundred twenty-two thousand, four hundred thirty".