42226223 has 4 divisors (see below), whose sum is σ = 45474408. Its totient is φ = 38978040.

The previous prime is 42226207. The next prime is 42226231. The reversal of 42226223 is 32262224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42226223 - 2⁴ = 42226207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42226243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624073 + ... + 1624098.

It is an arithmetic number, because the mean of its divisors is an integer number (11368602).

Almost surely, 2^42226223 is an apocalyptic number.

42226223 is a deficient number, since it is larger than the sum of its proper divisors (3248185).

42226223 is a wasteful number, since it uses less digits than its factorization.

42226223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248184.

The product of its digits is 2304, while the sum is 23.

The square root of 42226223 is about 6498.1707426013. The cubic root of 42226223 is about 348.2256403168.

Adding to 42226223 its reverse (32262224), we get a palindrome (74488447).

The spelling of 42226223 in words is "forty-two million, two hundred twenty-six thousand, two hundred twenty-three".