42252223 has 8 divisors (see below), whose sum is σ = 45614016. Its totient is φ = 38906400.

The previous prime is 42252193. The next prime is 42252227. The reversal of 42252223 is 32225224.

It is a happy number.

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

It is not a de Polignac number, because 42252223 - 2¹⁷ = 42121151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42252194 and 42252203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42252227) 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, 1833 + ... + 9373.

It is an arithmetic number, because the mean of its divisors is an integer number (5701752).

Almost surely, 2^42252223 is an apocalyptic number.

42252223 is a deficient number, since it is larger than the sum of its proper divisors (3361793).

42252223 is a wasteful number, since it uses less digits than its factorization.

42252223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985.

The product of its digits is 1920, while the sum is 22.

The square root of 42252223 is about 6500.1709977508. The cubic root of 42252223 is about 348.2970967751.

Adding to 42252223 its reverse (32225224), we get a palindrome (74477447).

The spelling of 42252223 in words is "forty-two million, two hundred fifty-two thousand, two hundred twenty-three".