42224115 has 8 divisors (see below), whose sum is σ = 67558608. Its totient is φ = 22519520.

The previous prime is 42224111. The next prime is 42224167. The reversal of 42224115 is 51142224.

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

It is not a de Polignac number, because 42224115 - 2² = 42224111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42224091 and 42224100.

It is not an unprimeable number, because it can be changed into a prime (42224111) 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, 1407456 + ... + 1407485.

It is an arithmetic number, because the mean of its divisors is an integer number (8444826).

Almost surely, 2^42224115 is an apocalyptic number.

42224115 is a deficient number, since it is larger than the sum of its proper divisors (25334493).

42224115 is a wasteful number, since it uses less digits than its factorization.

42224115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814949.

The product of its digits is 640, while the sum is 21.

The square root of 42224115 is about 6498.0085410840. The cubic root of 42224115 is about 348.2198455616.

Adding to 42224115 its reverse (51142224), we get a palindrome (93366339).

The spelling of 42224115 in words is "forty-two million, two hundred twenty-four thousand, one hundred fifteen".