42224434 has 8 divisors (see below), whose sum is σ = 72384768. Its totient is φ = 18096180.

The previous prime is 42224423. The next prime is 42224453. The reversal of 42224434 is 43442224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42224399 and 42224408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1508002 + ... + 1508029.

It is an arithmetic number, because the mean of its divisors is an integer number (9048096).

Almost surely, 2^42224434 is an apocalyptic number.

42224434 is a deficient number, since it is larger than the sum of its proper divisors (30160334).

42224434 is a wasteful number, since it uses less digits than its factorization.

42224434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016040.

The product of its digits is 6144, while the sum is 25.

The square root of 42224434 is about 6498.0330870195. The cubic root of 42224434 is about 348.2207224843.

Adding to 42224434 its reverse (43442224), we get a palindrome (85666658).

The spelling of 42224434 in words is "forty-two million, two hundred twenty-four thousand, four hundred thirty-four".