42224042 has 32 divisors (see below), whose sum is σ = 76702080. Its totient is φ = 17029440.

The previous prime is 42224041. The next prime is 42224047. The reversal of 42224042 is 24042224.

It is not an unprimeable number, because it can be changed into a prime (42224041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47708 + ... + 48584.

It is an arithmetic number, because the mean of its divisors is an integer number (2396940).

Almost surely, 2^42224042 is an apocalyptic number.

42224042 is a deficient number, since it is larger than the sum of its proper divisors (34478038).

42224042 is a wasteful number, since it uses less digits than its factorization.

42224042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 42224042 is about 6498.0029239760. The cubic root of 42224042 is about 348.2196448859.

Adding to 42224042 its reverse (24042224), we get a palindrome (66266266).

The spelling of 42224042 in words is "forty-two million, two hundred twenty-four thousand, forty-two".