42224044 has 12 divisors (see below), whose sum is σ = 77104944. Its totient is φ = 20194064.

The previous prime is 42224041. The next prime is 42224047. The reversal of 42224044 is 44042224.

It is an interprime number because it is at equal distance from previous prime (42224041) and next prime (42224047).

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 3 ways as a sum of consecutive naturals, for example, 229387 + ... + 229570.

It is an arithmetic number, because the mean of its divisors is an integer number (6425412).

Almost surely, 2^42224044 is an apocalyptic number.

It is an amenable number.

42224044 is a deficient number, since it is larger than the sum of its proper divisors (34880900).

42224044 is a wasteful number, since it uses less digits than its factorization.

42224044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458984 (or 458982 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 42224044 is about 6498.0030778694. The cubic root of 42224044 is about 348.2196503839.

Adding to 42224044 its reverse (44042224), we get a palindrome (86266268).

The spelling of 42224044 in words is "forty-two million, two hundred twenty-four thousand, forty-four".