42210223 has 8 divisors (see below), whose sum is σ = 46504656. Its totient is φ = 37992000.

The previous prime is 42210211. The next prime is 42210227. The reversal of 42210223 is 32201224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42210223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42210197 and 42210206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210227) 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, 17886 + ... + 20107.

It is an arithmetic number, because the mean of its divisors is an integer number (5813082).

Almost surely, 2^42210223 is an apocalyptic number.

42210223 is a deficient number, since it is larger than the sum of its proper divisors (4294433).

42210223 is a wasteful number, since it uses less digits than its factorization.

42210223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38105.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42210223 is about 6496.9395102617. The cubic root of 42210223 is about 348.1816525313.

Adding to 42210223 its reverse (32201224), we get a palindrome (74411447).

The spelling of 42210223 in words is "forty-two million, two hundred ten thousand, two hundred twenty-three".