42624222 has 32 divisors (see below), whose sum is σ = 88465824. Its totient is φ = 13680000.

The previous prime is 42624217. The next prime is 42624227. The reversal of 42624222 is 22242624.

42624222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42624217) and next prime (42624227).

It is a super-2 number, since 2×42624222² = 3633648602210568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42624192 and 42624201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42624227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21472 + ... + 23372.

It is an arithmetic number, because the mean of its divisors is an integer number (2764557).

Almost surely, 2^42624222 is an apocalyptic number.

42624222 is an abundant number, since it is smaller than the sum of its proper divisors (45841602).

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

42624222 is a wasteful number, since it uses less digits than its factorization.

42624222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044.

The product of its digits is 3072, while the sum is 24.

The square root of 42624222 is about 6528.7228460090. The cubic root of 42624222 is about 349.3162761016.

Adding to 42624222 its reverse (22242624), we get a palindrome (64866846).

The spelling of 42624222 in words is "forty-two million, six hundred twenty-four thousand, two hundred twenty-two".